Service News - The navigation clock and date are incorrect. This is due to a limited GPS receiver Capacity resulting in a rollover of the internal chip memory; the rollover occurred on January 1, 2022, at 12:00AM local time.
full bulletin at NHTSA ↗2006 Honda Civic electrical problems
moderate 74 complaints filed with NHTSA · avg repair $850 · see electrical across all vehicles →
When does it fail?
Of the 74 electrical complaints filed for the 2006 Honda Civic, here's the actual mileage breakdown — failures cluster heaviest at 100,000-125,000 mi.
Each bar shows the share of total complaints filed at that mileage range. Peak failure window highlighted. Some owners report problems earlier; some make it well past 150,000 miles symptom-free. Maintenance habits and driving conditions shift the curve as much as mileage alone.
Owners have filed 74 electrical complaints with NHTSA against this vehicle, but no formal recall covers the issue — the federal record reflects what manufacturers have admitted, not everything owners are reporting.
Among the 18 model years of Honda Civic in our records for electrical problems, this one ranks #3 by owner-complaint volume.
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering electrical on this vehicle — documented repair instructions, service campaigns, or warranty extensions sent to dealers. A TSB isn't a recall (it's not a free safety remedy), but it's the manufacturer acknowledging the issue and how to fix it.
ServiceNews Article - The clock shows the incorrect time. This issue is due to a limited GPS receiver capacity resulting in "rollover" of the internal chip memory; the "rollover" will occur on January 1, 2022 at 12:00AM local time. As a result, the navigation date and time will be incorrect.
full bulletin at NHTSA ↗"BACKGROUND AMERICAN HONDA IS EXTENDING THE WARRANTY COVERAGE ON THE IMA BATTERY MODULE FOR SOME 200308 CIVIC HYBRIDS AN ADDITIONAL 12 MONTHS OR 12,000 MILES, WHICHEVER COMES FIRST."
full bulletin at NHTSA ↗HONDA: THERE ARE NEW BATTERY SOFTWARE AND HARDWARE UPDATES. UPDATED 3/06/12. UPDATED 02/26/2014
full bulletin at NHTSA ↗HONDA: HYBRID VEHICLE BATTERY EXCHANGE INFORMATION. UPDATED 5/2/12
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
The failure pattern owners describe
The 2006 Civic electrical system has multiple recurring failures that Honda has not adequately addressed. The most serious issue affects hybrid models: the integrated motor assist (IMA) battery loses charge suddenly from full to zero multiple times per day, forcing aggressive recharge cycles that strip all power just when acceleration is needed—at intersections and highway merges. Owners report near-miss accidents and unsafe driving conditions. Honda dealers have verified this problem exists but refuse repair without a diagnostic code, citing expense. Honda issued a software update in August 2010 to extend battery life, but instead of fixing the battery, it disabled the hybrid system entirely, turning vehicles into underpowered gas-only cars with fuel economy dropping from 40+ MPG to 29 MPG.
Other documented failures include serpentine belt tensioner pivot bolts that break repeatedly even after recall replacement, factory batteries that leak acid and corrode cable harnesses requiring $1,300+ harness replacement, running lights that fail three times within months of purchase, immobilizer systems that lose all key recognition after any battery discharge, and wiring harnesses that catch fire at alternator connections. The steering wheel cruise control cable reel has failed completely, and spontaneous airbag deployment occurred in at least one parked vehicle. Brake lights, windows, and radio antennae also malfunction without resolution from dealers. Owners report Honda refusing repairs, saying problems cannot be reproduced or claiming they are "normal" despite verified safety hazards.
Same Honda Civic electrical reports on nearby years: 2005 · 2007 · 2008 · 2009
Failure modes owners describe
Hybrid Battery Rapid Discharge and Loss of Assist Power
The IMA (Integrated Motor Assist) battery loses charge suddenly from full or near-full to zero without warning, triggering forced major recharge cycles that leave the vehicle severely underpowered. Owners report this occurs multiple times per month to multiple times per day, often while driving at highway speeds or through intersections. The sudden power loss creates dangerous acceleration loss that nearly caused multiple accidents. Honda techs have verified the problem exists but refuse repairs without a diagnostic code.
When: 2006-2009 model years, starting between 34,000-77,000 miles, with increasing frequency over time
Symptoms owners cite: Battery charge drops from full to zero instantly without warning; Forced aggressive battery recalibration that removes all motor assist; Sluggish acceleration, especially from stopped position; Vehicle nearly loses power in intersections and on highway merges; Multiple occurrences per month, later escalating to daily or multiple-daily; No error codes or IMA warning light appears in many cases
Repairs/costs cited: Honda has refused battery replacement on grounds no diagnostic code is present. Some owners report Honda performed software updates that disabled the hybrid system entirely rather than fixing the battery. California hybrid battery warranty is 8-10 years, but Honda refuses coverage without a code.
Recalls/TSBs owners mention: Honda issued software recall/update (August 2010, NHTSA Campaign noted) to address premature battery failure. However, this update disabled the hybrid assist system rather than fixing battery function. Warranty claim denied without diagnostic codes. Some dealers performed 5-6 software updates without resolving the issue.
Post-Software-Update Hybrid System Degradation
After Honda's software update intended to extend battery life, owners report the hybrid system became nearly non-functional. The motor no longer idles at stops, battery assist rarely engages, acceleration is severely compromised, and fuel economy dropped dramatically (from 40-45 MPG to 29-33 MPG). Owners state Honda disabled the hybrid system to prevent battery failures rather than repairing the root cause.
When: August 2010 software update and onward; reported through 2011
Symptoms owners cite: Engine no longer shuts off at idle stops; Battery assist rarely or never engages; Dramatic loss of fuel economy post-update; Vehicle struggles to accelerate, particularly uphill and on highway on-ramps; Car acts like a standard non-hybrid sedan with minimal power; Recalibrations occur 1-2 times per day, preventing acceleration during commute
Repairs/costs cited: Software update installed per recall. Owners requested rollback to original software; dealers refused. Some dealers acknowledged to owners that many hybrid owners reported the same fuel economy loss but said Honda was not taking action.
Recalls/TSBs owners mention: Honda issued August 2010 software update (Campaign ID referenced) claiming to 'extend battery life' and 'address premature battery failure.' Honda USA stated to owners: 'We acknowledge your concern, but there is nothing we are planning to do about it.' No warranty extension offered; original tax credit for hybrid purchase became inapplicable due to system degradation.
Frequent Battery Calibration Cycles During Driving
After software updates, the battery enters automatic calibration routines with increasing frequency (multiple times per day, sometimes 4-5 times in 20 miles). During the 5-10 minute calibration, all motor assist ceases and the vehicle becomes severely underpowered, creating a safety hazard if acceleration is needed during highway merging, turns across traffic, or hill climbs.
When: Post-August 2010 software update; escalating frequency from occasional to multiple times daily
Symptoms owners cite: Unexpected battery calibration cycles interrupt driving; No motor assist available during recalibration (5-7 minute duration); Severe power loss and sluggish acceleration during calibration; Unpredictable timing; occurs 1-2+ times per day; Vehicle feels like 'pushing a freight train' during calibration; Dangerous when recalibration begins during highway acceleration or turns
Codes mentioned: IMA light (Integrated Motor Assist warning)
Repairs/costs cited: Dealers unable to reproduce the condition. Multiple software updates performed (6 updates noted in one case) without resolving escalating calibration frequency.
Recalls/TSBs owners mention: Honda does not classify frequent calibration as a failure if no diagnostic code appears. No corrective action taken. Dealers state behavior is 'normal' post-update.
Engine Stalling at Stops
Vehicle stalls while stopped at traffic lights or stop signs when driver attempts to accelerate. Stalling occurs 7+ times with no error codes appearing beforehand. The problem may be related to idle air control valve or idle speed computer adjustment, per owner research on Honda forums.
When: Intermittent; occurs at complete stops at traffic lights and stop signs
Symptoms owners cite: Complete engine shutdown at traffic light or stop sign when foot lifted from brake; Engine shut-off before accelerator pedal can be pressed; Last two stalls occurred when AC was operating; No fault code or warning on dashboard before stall; No fuel problem (verified with consistent fuel brand and filter check); Battery in excellent condition (verified by third-party testing)
Repairs/costs cited: Honda dealership unable to reproduce the problem or identify cause despite computer testing. Third-party testing ruled out fuel system and battery issues.
Recalls/TSBs owners mention: Honda technician dismissed idle air control valve theory, stating it doesn't appear to be a problem, despite owner documentation of 7+ stalling events.
Serpentine Belt Tensioner Pivot Bolt Failure
The auto-tensioner pivot bolt breaks repeatedly, causing complete engine failure and loss of vehicle operation. One owner had the bolt replaced three times in 20,000+ miles (twice breaking again after recall kit installation). Engine failure occurred at intersections and approaching traffic, creating serious safety hazard.
When: First occurrence Feb 2009 at 28,324 miles (after initial recall); second break at 48,144 miles (~20,000 miles post-repair); third break at 55,144 miles (~7,000 miles post-repair)
Symptoms owners cite: Engine stops completely, vehicle will not crank or start; Failure occurs approaching intersections or during normal driving; Vehicle becomes completely inoperative after bolt breaks
Repairs/costs cited: Feb 2009 recall replaced auto-tensioner pivot bolt and rerouted belt. Despite new recall kit and new bolt, pivot bolt broke twice more. New Honda recall belt kit, bolt, belt tensioner assembly, and water pump pulley installed each time.
Recalls/TSBs owners mention: Recall campaign (Feb 2009, noted in narrative as preventive) provided new bolt and belt kit, but pivot bolt failure continued to recur at short intervals post-repair.
Battery Acid Corrosion of Cables and Harness
Factory batteries leak acid internally, corroding the positive cable completely under the plastic cover. The corrosion spreads to the wiring harness, requiring replacement of the entire battery cable harness to restore function. Defect results from batch of defective batteries Honda purchased.
When: Occurs before 77,300 miles (some failures by 35,000-mile service milestone)
Symptoms owners cite: Vehicle will not start after being parked; Dashboard lights up with clicking noises from starter, but no cranking; Entire positive battery cable corroded out under plastic cover; Corrosion extends to wiring harness; Jump-start attempts unsuccessful
Repairs/costs cited: Battery replacement alone ($79-$135 part cost) insufficient; entire battery cable harness burned through by battery acid must be replaced at dealer cost of $1,300-$1,400 (including harness, labor, towing).
Recalls/TSBs owners mention: Acknowledged as design flaw by service consultant. Honda USA refused responsibility for repair costs in at least one case, stating owner responsible for replacement.
Airbag Unwanted Deployment
Driver-side and rear driver-side curtain airbags deployed spontaneously while owner was parked with vehicle in accessory mode. Owner sustained injuries (minor cuts, abrasions, severe bruising to arm). Incident occurred approximately one month after collision repair and SRS system failure to diagnose/repair.
When: June 2013, approximately one month post-collision
Symptoms owners cite: Airbags deployed while parked and stationary; Vehicle in accessory position, not driving; Owner and dog inside vehicle, both frightened; Owner sustained impact injuries; SRS light was on after collision (undiagnosed)
Codes mentioned: SRS light (Supplemental Restraint System warning)
Repairs/costs cited: Post-collision repair by independent shop did not address motor mounts or SRS issues. Honda service could not diagnose SRS problem after collision and did not follow up. Post-deployment repair quoted at thousands of dollars. Spontaneous deployment may have been related to undiagnosed occupant detection system recall.
Recalls/TSBs owners mention: Honda service unable to diagnose SRS problem post-collision. Repair cost quoted at thousands of dollars with no explanation for deployment cause. Owner suspects unaddressed passenger seat occupant detection system recall was root cause.
Running Light Failures (Front and Rear)
Front and rear running lights (tail lights) fail intermittently with very short intervals between failures. Lights fail completely three times within five months of new-car purchase despite two attempted repairs.
When: Within first 5 months of ownership: 1st failure at 1,666 miles (7/21/06), 2nd failure 10 days later (7/31/06), 3rd failure 82 days later (10/22/06)
Symptoms owners cite: Front and rear (tail) running lights suddenly stop working; Intermittent failures with rapid recurrence after repair; No warning, sudden loss of lights
Repairs/costs cited: First failure: fuse box replaced by dealership. Second failure: headlight switch replaced, car driven by dealership for nearly two weeks to verify repair. Third failure: same issue recurred.
Recalls/TSBs owners mention: Honda America wanted vehicle for investigation but owner invoked lemon-law buyback after two failed repair attempts and third failure, citing risk of death or serious bodily injury from lack of running lights.
Immobilizer System Failure After Battery Loss
Anti-theft immobilizer system loses memory when the vehicle loses battery power and becomes unable to recognize valid owner keys. Vehicle becomes inoperable and must be towed to dealership for immobilizer module and keys to be re-coded. This has happened to at least one owner twice in one year.
When: Occurs after any battery power loss event; one owner experienced twice in one year
Symptoms owners cite: Vehicle will start for a few seconds then shut down; Anti-theft immobilizer indicator light illuminates; All three OEM keys fail to work; Vehicle becomes completely inoperative; No start after battery power loss
Codes mentioned: Anti-theft immobilizer indicator light
Repairs/costs cited: Immobilizer module must be replaced; keys must be re-coded by Honda dealer. Cost: $209 reported for one repair. Requires towing (long-distance tow cost added).
Recalls/TSBs owners mention: No accommodation or fix offered by Honda. Service bulletin exists for this issue but no customer compensation provided. Owner reports this is costly, inconvenient, and a safety hazard if it occurs on a road trip.
Steering Wheel Cruise Control and Airbag Cable Reel Failure
The cable reel assembly on the steering column, which makes electrical connections between steering wheel function buttons (cruise control, radio controls) and the airbag to the steering column, failed with internal ribbon cable completely severed. Failure disabled cruise control, radio controls, and SRS airbag system.
When: Not specified in complaint
Symptoms owners cite: Cruise control stops working; Radio controls on steering wheel inoperable; SRS (airbag) system fails; Ribbon cable inside reel assembly completely severed
Repairs/costs cited: Honda Part# 77900-SNA-A01 (Methode) or 77900-SNA-A02 (Furukawa) cable reel assembly requires replacement.
Engine Wiring Harness Fire and Alternator Failure
Engine wiring harness caught fire at the connection point to the alternator, causing the alternator to crack. Short-circuit in wires caused fire risk; mechanic stated vehicle could have exploded. AC and radio shut off during event, and dashboard warning lights illuminated.
When: Not specified in complaint
Symptoms owners cite: Battery light illuminated on dashboard; Alternator not providing sufficient power to charge battery; AC and radio turned off suddenly while driving; Multiple dashboard warning lights illuminated; Wires caught fire at alternator connection; Engine wiring harness severely burned
Repairs/costs cited: Engine wiring harness at alternator connection point burned through and requires replacement. Alternator cracked due to heat damage.
Voltage Converter Module Failure
Voltage converter module failed, causing vehicle to lose power and fail to accelerate while driving at highway speed (10 MPH noted, though context suggests low-speed loss of acceleration). Engine and IMA warning lights illuminated.
When: At 120,000 miles
Symptoms owners cite: Loss of power while driving; Failure to accelerate; Engine and IMA warning lights illuminate
Codes mentioned: Engine light, IMA light
Repairs/costs cited: Voltage converter module requires replacement. Vehicle not repaired per complaint.
Recalls/TSBs owners mention: Manufacturer notified but vehicle not included in NHTSA Campaign 11V106000 (Electrical System), so no warranty coverage applied.
Integrated Motor Assist Cable Electrical Short Risk
Recall notice issued in December 2007 for Integrated Motor Assist cable that could cause electrical shortage and potential battery explosion. Dealer unable to obtain replacement part.
When: Recall issued December 2007 at 12,000 miles (current 14,000 miles at complaint)
Symptoms owners cite: IMA cable defect creates electrical short risk; Potential for battery explosion
Repairs/costs cited: Replacement part was not available from dealer at time of recall notice. No failure had occurred as of complaint date.
Recalls/TSBs owners mention: Recall issued for IMA cable but part unavailable at authorized dealer.
Radio Antenna Static and Reception Failure
Radio antenna (integrated into rear window defroster) produces only static and cannot receive any radio stations clearly, despite living in major metropolitan area. CD playback works without static, indicating wiring issue specific to radio.
When: Not specified in complaint
Symptoms owners cite: Constant static on FM radio; Unable to receive any radio stations clearly; CD playback works normally without static; Problem persists after radio replacement by dealer while under warranty
Repairs/costs cited: Radio replaced by dealer under warranty with no resolution. Wiring in rear defroster/radio antenna circuit is compromised.
Recalls/TSBs owners mention: Dealership unable or unwilling to identify root cause of wiring issue.
Brake Light Switch Failure
Brake lights do not work (related to brake light switch failure) at approximately 40,000 miles. Shift lock release required to shift out of park, suggesting additional electrical control issues.
When: At 40,000 miles
Symptoms owners cite: Brake lights inoperable; Shift lock mechanism requires manual release button to shift out of park
Repairs/costs cited: Safety recall 07V402000 (NHTSA) for brake light switch specifically includes 2006 Civic sedans.
Recalls/TSBs owners mention: Honda recall 07V402000 issued but owner not notified despite being original owner with registered vehicle. Dealer incorrectly stated vehicle not included in recall despite recall number specifically covering 2006 Civic sedans.
Engine Limp Mode and Stalling
Vehicle goes into limp mode (severely restricted acceleration) a few minutes after starting, then stalls and will not restart. Multiple warning lights illuminate (check engine, IMA battery, red battery light). Problem nearly caused accident when it occurred on freeway.
When: Not specified in complaint
Symptoms owners cite: Engine runs fine initially, then enters limp mode; Severe acceleration restriction in limp mode; Engine stalls unexpectedly; Vehicle will not restart after stalling; Check engine light, IMA light, and battery light all illuminate; Occurred while driving on freeway at highway speed
Codes mentioned: Check engine light, IMA light, Battery light (red)
Repairs/costs cited: Vehicle not repaired per complaint; owner did not specify repair details.
Hybrid Battery Surge and Brake Pedal Surge
Vehicle exhibits surge problem when depressing brake pedal, causing unexpected forward motion. Owner also reports battery fluid smell and IMA system shutdown under load during highway driving, creating drivability issues.
When: Not specified in complaint
Symptoms owners cite: Vehicle surges forward when brake pedal is depressed; Battery fluid smell detected; IMA system shuts down under load during highway driving; Drivability issues during long-distance highway driving; Fuel economy significantly below advertised MPG
Repairs/costs cited: No repairs detailed in complaint.
Recalls/TSBs owners mention: No response documented.
Auto-Stop Failure to Restart
Vehicle fails to restart intermittently after auto-stop (idle shutdown) mode engages. Occurs when driver takes foot off brake to resume driving. Problem is intermittent, so dealer refuses to address it.
When: Intermittent; at least 8 occasions documented
Symptoms owners cite: Vehicle will not restart after auto-stop engages; Occurs when foot lifted from brake; Intermittent occurrence makes diagnosis difficult; Owner must shift to Park to restart car; Owner feels like 'sitting duck' in traffic, vulnerable to rear-end collision
Repairs/costs cited: Dealer and Honda America refuse to address intermittent problem due to inability to reproduce it.
Recalls/TSBs owners mention: Dealer and manufacturer refuse to investigate due to intermittent nature of failure.
Speedometer Inaccuracy and Suspension Bounce
While driving at any speed, especially during turns, wheels feel as though they will detach. Vehicle bounces and shakes. Speedometer displays inaccurate readings (displaying 50 MPH when traveling 30 MPH and vice versa). Multiple dealer visits resulted in repairs, but failure persists.
When: First failure at 15,000 miles; current mileage 24,358 miles
Symptoms owners cite: Wheels feel as if they will detach, especially during turns; Vehicle bounces and shakes while driving; Speedometer displays erroneous readings (off by ~20 MPH); Problem persists after multiple repairs
Repairs/costs cited: Dealer initially suggested checking gas cover. Later repair attempted; internal failure diagnosed, repairs made, but failure persists.
Recalls/TSBs owners mention: On one dealer visit, owner informed that there were no failures found. Owner fears driving with children in vehicle.
Windows and Exterior Lighting Unexpected Operation
Front windshield and front and rear driver and passenger side windows opened without vehicle being occupied. Exterior lighting became inoperable. Dealer could not diagnose or repair.
When: Not specified in complaint
Symptoms owners cite: All windows (windshield and four side windows) open without occupancy; Exterior lighting stops working; Problem occurs when vehicle unattended
Repairs/costs cited: Not diagnosed or repaired.
Recalls/TSBs owners mention: Manufacturer notified but no action documented.
Ignition Key Removal While Vehicle in Drive
Owner able to remove ignition keys while vehicle is in Drive with foot on brake (not in Park as intended by design). Creates potential safety hazard.
When: At 25,000 miles (current 70,000 miles)
Symptoms owners cite: Keys removable from ignition while vehicle in Drive; Vehicle not in Park, only with foot on brake; Vehicle becomes inoperable when keys removed
Repairs/costs cited: Vehicle towed to dealer but not repaired. Dealer stated vehicle would not start since it was in Drive.
Recalls/TSBs owners mention: No corrective action taken.
Synthesized from 74 NHTSA owner complaints — unverified consumer allegations, summarized for patterns. The verbatim filings appear below.
What owners are reporting 1 most recent
My 2006 Honda civic lx clock light and heater keeps going out then the speedometer lights go off and it completely dies on me. I had the battery and alternator checked at 4 different places and they all said it powers up good. I was told it was my ignition switch. *tr
Common questions
How serious is the electrical problem on the 2006 Honda Civic?
It's a documented issue but not catastrophic. 74 complaints have been filed. Repairs average $850 and most owners catch it before it causes a breakdown.
At what mileage does the electrical typically fail?
Across the 59 complaints that reported odometer mileage, most electrical failures cluster between 41,000 and 81,000 miles, with the median around 60,000. A quarter of owners report trouble before 41,000; a quarter make it past 81,000. Maintenance history matters more than the odometer alone — this is the reported failure window, not a guarantee.
What does it cost to fix?
Independent shops typically charge around $850 for electrical repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to electrical?
No active recalls currently cover electrical issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.