I have a 2009 Honda civic hybrid. After having the vehicle for less than 1 year I noticed that the battery began to suddenly drop it's state of charge (soc) during the first few miles of driving after the vehicle was parked for several hours. On sustained trips the vehicle will suddenly drop its charge about every 20 minutes. The safety issue is that when the vehicle suddenly loses it's state…
2009 Honda Civic powertrain problems
severe 18 complaints filed with NHTSA · avg repair $2,500 · see powertrain across all vehicles →
Failure mileage
Complaints
18
Recalls
0
Avg fix
$2,500
1crash
1injury
When does it fail?
Of the 18 powertrain complaints filed for the 2009 Honda Civic, here's the actual mileage breakdown — failures cluster heaviest at 0-25,000 mi.
0-25k
25-50k
50-75k
75-100k
100-125k
125-150k
150k+
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.
What stands out
No new NHTSA powertrain complaint has been filed on this vehicle in over 15 years — the issue may be aging out of the active population.
The failure pattern owners describe
The 2009 Civic powertrain experiences a range of failure modes spanning hybrid battery management, transmission function, and mechanical drive components. Hybrid owners report their IMA battery suddenly dumps charge during early morning driving or periodically every 20 minutes on longer trips, sapping acceleration just when merging into traffic—a genuine safety hazard. One owner's battery was replaced under warranty at less than one year but failed again at six months; Honda refused a second replacement. Another hybrid owner reports a CVT transmission that momentarily loses forward drive during intersection acceleration; Honda's service bulletin software fix did not fully resolve it.
Manual transmission owners cite grinding synchronizers and dark fluid indicating factory contamination. Belt tensioner bolts have broken, shutting down engines completely while driving—a problem Honda recalled for 2006–2007 models but never extended to 2009. Axles have shattered at modest speeds and low mileage. One owner experienced a violent forward lunge into a wall despite pressing the brake pedal, requiring hospitalization.
Transmission shaking, drivetrain hesitation in heat, overheating gearshift areas, and a drive shaft popping out of the differential during gear selection round out the mechanical complaints. Dealership diagnostics frequently went nowhere: "no problem found" or inconclusive results. A clutch pedal bracket fracturing during driving is noted as a recurring design flaw.
Same Honda Civic powertrain reports on nearby years: 2006 · 2007 · 2008 · 2012
Failure modes owners describe
Hybrid Battery State of Charge Dropout
IMA hybrid battery suddenly loses state of charge (SOC) during early miles after parking or every 20 minutes on sustained trips, causing abrupt loss of motor assist and acceleration capacity. Owner reports SOC dropping from 75%+ instantly, creating dangerous loss of power when merging into traffic.
When: Within first year of ownership; recurring after battery replacement at 6 months
Symptoms owners cite: Sudden SOC drop during initial driving after parking; Periodic SOC loss every ~20 minutes on sustained trips; Significant loss of acceleration/motor assist; Check IMA light illumination; Battery stuck in constant charge mode after firmware update
Codes mentioned: Check IMA light
Repairs/costs cited: Honda replaced IMA battery under warranty in March 2010; problem recurred after 6 months. Second replacement refused by Honda as 'operating normally.' Firmware update performed on another complaint (complaint #11) with no resolution.
Recalls/TSBs owners mention: Honda replaced battery once; refused second replacement. IMA firmware update available (complaint #11); ineffective per owner report.
CVT Transmission Temporary Loss of Drive
CVT transmission loses forward motion momentarily during acceleration from stop at intersections, then re-engages. Dealer applied SB 08-014 software update which did not fully resolve the issue.
When: At 19,112 miles; 2008 Civic Hybrid
Symptoms owners cite: Temporary loss of forward momentum when accelerating through intersection from stop; Transmission re-engages after moments; Creates dangerous situation with risk of intersection collision
Codes mentioned: CVT issue requiring SB 08-014
Repairs/costs cited: CVT software update applied per SB 08-014; owner reports it did not fully address the problem
Recalls/TSBs owners mention: Service Bulletin SB 08-014 issued March 1, 2008 for CVT transmission problems; software update available
Manual Transmission Grinding and Notchy Shifts
Brand new 2009 Civic SI manual transmission exhibits grinding in 2nd and 3rd gear synchronizers and rough, notchy shifting. Transmission fluid was black, suggesting internal wear or contamination from factory. Dealer claimed normal operation despite known recall history.
When: Brand new vehicle from dealership
Symptoms owners cite: Grinding noise in 2nd and 3rd gear synchromesh; Notchy, rough shifting feel; Black transmission fluid (excessive wear indicator)
Repairs/costs cited: Owner replaced manual trans fluid; fluid condition indicated internal contamination/wear. Owner is experienced technician and confirms silk shift is absent compared to other SI models.
Recalls/TSBs owners mention: Dealer claimed condition was normal; owner references recall on 06-08 transmissions not effectively applied to 2009 models
Axle Shaft Failure
Left axle shattered during slow-speed left turn into parking garage at 54,157 miles. Immediate replacement required. Right axle also found to be damaged (noisy on test drive) and preemptively replaced due to failure risk on highway.
When: 54,157 miles
Symptoms owners cite: Sudden left axle shattering during slow-speed turn; Ball bearings and metal pieces on floor; Noise in right axle on test drive after left axle replacement
Repairs/costs cited: Both left and right axles replaced at dealership (Harding Honda, Anaheim, CA)
Belt Tensioner Bolt Failure Leading to Complete Engine Shutdown
Steel bolt securing serpentine belt tensioner to aluminum engine block broke, causing belt to slip and engine to stall. Problem occurred twice: first time chatter heard and mechanic repaired; second time (August 8, 2013) car shut down completely while driving. Dealer confirmed this problem was recalled for 2006-2007 models but no recall issued for 2009.
When: Multiple occurrences; second major failure August 8, 2013
Symptoms owners cite: Chatter under hood indicating belt/tensioner issue; Complete engine shutdown while driving (second occurrence); Loss of power steering and brake assist; Vehicle unable to continue operating safely
Repairs/costs cited: Tensioner mounting bolt repaired twice; mechanic confirmed recall existed for 2006-2007 models but not applied to 2009
Recalls/TSBs owners mention: Recall issued for 2006-2007 models (SB reference unclear from narrative); no recall for 2009 models despite identical issue
Drivetrain Hesitation and Power Loss
Engine hesitation and loss of power occur after prolonged driving (over 1 hour). Check engine light flashes, vehicle bogs down and cannot exceed 50 mph. Problem has recurred multiple times despite multiple component replacements. Dealership unable to diagnose.
When: Recurring over months of ownership
Symptoms owners cite: Rough idle when starting after work; Check engine light flashing; Immediate loss of power on highway merge; Vehicle bogging and unable to accelerate past 50 mph; Problem recurs even after multiple parts replaced
Codes mentioned: Check engine light (flashing)
Repairs/costs cited: Multiple parts changed by owner; no permanent fix achieved
Recalls/TSBs owners mention: Dealership unable to diagnose or repair despite multiple visits
Drivetrain Failure - Loss of Forward Motion at Low Speed
Clanking noise heard and vehicle lost all forward motion while driving at approximately 5 mph. Diagnosed as driver-side axle explosion requiring replacement.
When: 31,000 miles
Symptoms owners cite: Clanking noise while driving; Complete loss of forward motion; Vehicle immobilized requiring tow
Repairs/costs cited: Driver-side axle replaced at owner's expense
Ignition Lock Switch Failure - Vehicle Roll-Back
Ignition lock switch defective, allowing vehicle to roll backward while parked on incline. Safety concern as vehicle could roll unexpectedly.
When: 90,000 miles
Symptoms owners cite: Vehicle rolls backward while parked on incline; Ignition lock switch unable to hold vehicle in park
Repairs/costs cited: No diagnostic or repair performed by dealership
Recalls/TSBs owners mention: Manufacturer notified but no assistance provided
Transmission/Drivetrain Heat Generation - Gearshift Base and Instrument Panel Overheating
After driving more than 1 hour, gearshift base and instrument panel area become dangerously hot. Owner concerned about fire risk. Dealer insists condition is normal.
When: After extended driving (over 1 hour)
Symptoms owners cite: Gearshift base becomes very hot; Instrument panel (CD player area) becomes very hot; Heat generation after sustained driving
Recalls/TSBs owners mention: Dealer claimed condition is normal and acceptable
Transmission Shaking During Gear Selection
Vehicle experiences severe shaking when shifted into Reverse and Drive modes. Problem occurred intermittently; disappeared after one night but recurred. Dealer inspection found no problem and requested extended diagnostic time (2 days) which owner refused.
When: Early ownership (within first few weeks of purchase)
Symptoms owners cite: Violent shaking when shifting to Reverse; Violent shaking when shifting to Drive; Intermittent nature - problem resolved briefly then recurred
Recalls/TSBs owners mention: Dealer inspection found no problem; recommended deeper inspection but diagnosis was inconclusive
Transmission/Drivetrain Noise - Passenger Side
Unexplained noise from right passenger side of vehicle starting within first few weeks of ownership. Initial shop diagnosis was incorrect (suggested loose change in car). Noise persisted after removing change.
When: Few weeks after purchase of new vehicle
Symptoms owners cite: Noise from right passenger side; Noise persists despite removal of loose change; Source undiagnosed
Intermittent Hesitation After Stop - Heat-Related
Vehicle hesitates when accelerating from complete stop; problem occurs more frequently in hot weather (90+ degrees). Persistent for months. Dealer unable to find cause. Described as potentially dangerous if hesitation occurs at wrong moment.
When: Persistent for months; more common in 90+ degree weather
Symptoms owners cite: Intermittent hesitation from complete stop; Hesitation more frequent in hot weather; Problem persistent over months
Recalls/TSBs owners mention: Dealer unable to find problem
Unintended Acceleration (Single Isolated Incident)
One instance of unintended acceleration to 25-30 mph in low-speed residential area when owner intended 15 mph startup. Very brief and never repeated. Owner concerned after Toyota acceleration recalls.
When: One-time incident during morning startup
Symptoms owners cite: Unintended acceleration to 25-30 mph; Occurred during low-speed residential startup
Recalls/TSBs owners mention: Honda service center assured owner no acceleration problems exist
Violent Unintended Forward Lunge - Brake Failure
While pulling into parking space with foot on brake pedal, vehicle violently lurched forward into block wall. Driver unable to stop vehicle despite applying brakes. Driver hospitalized for 2 days.
When: Low-speed parking maneuver
Symptoms owners cite: Violent unintended forward lunge; Brake pedal unable to stop vehicle; Collision with wall at force requiring hospitalization
Drive Shaft Popping Out of Differential - Transmission Disengagement
Right drive shaft popped out from rear differential when switching from Reverse to Drive while attempting to exit driveway. Vehicle entered into roll or park situation. Low mileage vehicle with no prior accident history.
When: Low mileage (exact mileage not stated)
Symptoms owners cite: Drive shaft popped out of differential during gear selection; Vehicle entered into roll situation; Loss of drive capability
Clutch Pedal Bracket Failure
Clutch pedal bracket is poorly manufactured and breaks during driving. Owner research indicates this is a common issue on 2009 Civic models. Bracket failure creates hazard by trapping driver in a gear with no pedal control.
When: During normal driving
Symptoms owners cite: Clutch pedal bracket breaks; Loss of clutch pedal control; Potential to trap driver in gear
Synthesized from 18 NHTSA owner complaints — unverified consumer allegations, summarized for patterns. The verbatim filings appear below.
What owners are reporting 1 most recent
Had powertrain trouble with your 2009 Honda Civic?
File a complaint with NHTSA → It's free, official, and how every report above got here — owner filings are the federal safety record this page is built on.
Common questions
How serious is the powertrain problem on the 2009 Honda Civic?
It's a meaningful issue. 18 complaints have been filed and the failure mode causes operational problems for owners. Repairs average $2,500.
At what mileage does the powertrain typically fail?
Across the 15 complaints that reported odometer mileage, most powertrain failures cluster between 7,000 and 47,000 miles, with the median around 22,010. A quarter of owners report trouble before 7,000; a quarter make it past 47,000. 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 $2,500 for powertrain 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 powertrain?
No active recalls currently cover powertrain 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.
Related
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Verify the raw federal record at
nhtsa.gov/vehicle/2009/Honda/Civic.
Severity ratings are derived from reported crashes, fires, injuries, and fatalities. Repair cost estimates are
independent-shop national averages and may differ in your area. Some links on this page are affiliate links.