Tl* the contact owns a 2006 Chevrolet trailblazer 360. The contact received a notification of NHTSA campaign number: 14v755000 (exterior lighting); however, the part to do the repair was unavailable. The contact stated that the manufacturer exceeded a reasonable amount of time for the recall repair. The manufacturer was not made aware of the issue. The contact had not experienced a failure. VIN…
2006 Chevrolet Trailblazer lighting problems
moderate 100 complaints filed with NHTSA · avg repair $250 · see lighting across all vehicles →
Failure mileage
Complaints
100
Recalls
0
Avg fix
$250
2fires
What stands out
Owners have filed 100 lighting 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 5 model years of Chevrolet Trailblazer in our records for lighting problems, this one ranks #2 by owner-complaint volume.
The failure pattern owners describe
Buyer takeaway: 2006 Chevrolet Trailblazer owners report widespread, unpredictable low-beam headlight failures causing dangerous nighttime driving. The Headlight Driver Module is the identified culprit, but affected vehicles often fall outside recall coverage, and replacement parts have been unavailable for years—dealers unable or unwilling to repair.
Low-beam headlights failing intermittently or completely is the dominant complaint. Owners describe lights shutting off while driving at all speeds—highway, neighborhood, stop-and-go—forcing them onto high beams, an illegal driving practice. The failures happen without warning and sometimes reoccur within minutes or hours; in other cases lights work fine after the vehicle sits, only to fail again. Some owners report the low beams light for 10-15 seconds on startup then quit. A handful report headlights that won't turn off, overheating the lens and creating fire hazard.
Daytime running lights failing alongside or separate from low beams is commonly cited. A few complaints mention brake lights going out at the same time as headlights, and one reports a fire in the fuse box linked to lighting issues.
Owners repeatedly cite the Headlight Driver Module (HDM) as the diagnosed root cause, with some having replaced it themselves or at independent shops. Many mention wiring burned up or relays failing. Replacement bulbs often last only weeks before failure recurs, ruling out simple bulb issues.
Recall 14V755000 (and 14V404000, 15V519000) covers some 2006–2007 Trailblazers, but many owners report their VINs excluded despite identical symptoms. Parts for the recall have been unavailable for extended periods—some owners waited over a year with no ETA from dealers or GM.
Same Chevrolet Trailblazer lighting reports on nearby years: 2005 · 2007 · 2008
Failure modes owners describe
Low-Beam Headlight Intermittent Failure / Complete Shutdown
Low-beam headlights fail to illuminate or shut off while driving at any speed. Failures are intermittent and unpredictable, sometimes resolving after vehicle sits idle, sometimes becoming permanent. Owners forced to rely on high beams, creating safety hazard and legal violation.
When: Variable; reported from 19,000 miles through 220,000 miles; failures occur after 20 minutes of driving or immediately upon startup
Symptoms owners cite: Low beams fail to turn on at startup; Low beams shut off mid-drive without warning; Low beams work briefly (10-15 seconds) then shut off; Lights flicker or dim while driving; Failure recurring intermittently or becoming permanent over time; High beams function when low beams fail; Lights resume working after vehicle is parked and restarted
Codes mentioned: Check Vehicle Lighting warning indicator illuminated (noted in some complaints)
Repairs/costs cited: Headlight Driver Module (HDM) replacement is primary fix; some owners replaced bulbs multiple times (3-4 replacements in 1.5 years) with no lasting result. Independent mechanics and dealers have replaced multi-function switches, headlight switches, relays, and wiring. Wiring to bulbs has burned up on replacement attempts. Interim repair available but reported to worsen condition and cause lens overheating.
Recalls/TSBs owners mention: NHTSA Recall 14V755000 (EXTERIOR LIGHTING, issued Jan 2015) and 14V404000 (VISIBILITY) and 15V519000 (EXTERIOR LIGHTING) cover some 2006–2007 Trailblazers for HDM failure. Many owners' VINs excluded from recall despite matching symptoms. Replacement parts unavailable for extended periods (owners cite waits exceeding one year). GM dealers advised to defer repairs pending parts availability. Some dealers refused repair, citing no diagnostic confirmation of failure at time of visit. GM stated unaware of problem in some cases.
Daytime Running Light (DRL) Failure
Daytime running lights fail to illuminate, often in conjunction with or separate from low-beam headlight failure. Owners report DRLs going out intermittently while driving.
When: Variable across model years; failures at 90,000–175,000 miles reported
Symptoms owners cite: Daytime running lights do not illuminate; DRLs stop working then intermittently resume; DRLs fail concurrently with low-beam headlight failure
Repairs/costs cited: No specific repairs detailed; presumed related to HDM replacement or electrical module repair.
Recalls/TSBs owners mention: Covered under same recalls as low-beam headlight failure (14V755000, 15V519000). Parts unavailable.
Wiring / Pigtail Burnout Leading to Repeated Failures
Wiring harness to headlight bulbs burns up during operation or replacement attempts, necessitating repeated rewiring. Owner reports noxious fumes from burned wiring and risk of fire.
When: Reported after 3 years of low-beam intermittent failures; wiring replacement cycles of 6-10 months before burnout recurs
Symptoms owners cite: Pigtail wiring to bulb burns up; Noxious fumes emitting from vehicle while driving; Repeated burnout after replacement (every 6-10 months); Risk of fire from burned wiring
Repairs/costs cited: Pigtail wiring replaced three times over 18+ months; each replacement lasted 6-10 months before burnout. Relay replaced after final wiring repair. Owner noted fire hazard and strong odor.
Recalls/TSBs owners mention: No manufacturer response cited; owner sought recall similar to brake-light recall on other Trailblazers.
Brake Light Failure (Concurrent or Separate)
Brake lights fail to illuminate when brakes are applied, sometimes concurrently with headlight failure. One report of both low-beam headlights and all brake lights out simultaneously during an 800-mile interstate trip.
When: Reported at 159,000 miles (fuse box fire incident) and during long-distance driving
Symptoms owners cite: Brake lights do not illuminate when brakes applied; Brake lights fail concurrently with low-beam headlights; Turn signals and flashers functional while brake lights inoperative
Repairs/costs cited: One independent mechanic advised wires needed replacement; vehicle not repaired. No cost data provided.
Recalls/TSBs owners mention: No formal response; GM told owners cost would be their responsibility.
Low-Beam Headlights Fail to Turn Off / Overheat
Low-beam headlights remain on continuously or fail to extinguish when switched off, causing overheating of lens and risk of fire. One complaint details relay switch diagnosed as defective.
When: Failure at 100,000 miles
Symptoms owners cite: Low beams remain on despite attempting to switch off; Headlight lens overheating; Relay switch failure; Risk of fire from continuous operation
Repairs/costs cited: Relay switch replacement indicated; owner reports lights caught fire during operation.
Recalls/TSBs owners mention: Manufacturer made aware; no specific remedy described.
Turn Signal Intermittent (Left Side)
Left turn signal works intermittently, switching on and off unpredictably regardless of vehicle speed or driving condition. Right turn signal functions normally.
When: Timing not specified
Symptoms owners cite: Left turn signal works, then stops completely, then resumes; Failure occurs whether vehicle moving or stationary; Failure occurs on highway, streets, or in garage; Safety concern: may create false impression driver changed mind about turning
Repairs/costs cited: No repair attempted or data provided.
Recalls/TSBs owners mention: None reported.
Fuse Box Fire / Electrical System Overheat
Fuse box caught fire during operation; smoke detected inside vehicle from vents. Vehicle failed to power off normally; key removal did not stop engine. Vehicle later restarted independently and revved for approximately five minutes before shutting off. Single critical incident report.
When: At 159,000 miles; another report of smoke from fuse box at 150,008 miles
Symptoms owners cite: Smoke coming from vents inside vehicle; Fuse box visible fire; Headlights and brake lights illuminating intermittently prior to fire; Engine fails to shut off when key removed; Engine revs autonomously for ~5 minutes after restart; Vehicle restarts independently
Repairs/costs cited: Fire extinguished by owner; no diagnosis or repair performed. Second report mentions smoke from fuse box after mechanic replaced a fuse.
Recalls/TSBs owners mention: Not reported; manufacturer not made aware in both incidents.
Rear Tail Light Failure with Connector Corrosion
Rear passenger-side tail light fails to function. Corrosion observed around bulb connector. Replacement bulb does not resolve issue; failure recurs repeatedly.
When: At 170,000 miles
Symptoms owners cite: Rear passenger side tail light inoperative; Corrosion around bulb connector; Repeated failure after bulb replacement
Repairs/costs cited: Bulb replaced independently; corrosion present at connector. No further repair attempted.
Recalls/TSBs owners mention: Manufacturer notified; no remedy provided.
All Lights Failure (Interior and Exterior)
Complete loss of both interior and exterior lighting during operation, resolving after vehicle restart. Reported as Body Control Module (BCM) failure by owner. One similar incident with all lights out causing need to drive expressway at night with high beams.
When: Reported at 72,000 miles and on expressway, stoplight, business route (no mileage provided)
Symptoms owners cite: Interior lights and exterior lights all fail simultaneously; Failure occurs at various speeds and driving conditions; Lights resume normal function after vehicle restart; No warning indicators illuminated in some cases
Repairs/costs cited: No repairs performed. Owner suspected Body Control Module issue; no diagnostic testing completed at dealer.
Recalls/TSBs owners mention: GM stated unaware of any problem.
Synthesized from 100 NHTSA owner complaints — unverified consumer allegations, summarized for patterns. The verbatim filings appear below.
What owners are reporting 1 most recent
Had lighting trouble with your 2006 Chevrolet Trailblazer?
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 lighting problem on the 2006 Chevrolet Trailblazer?
It's a documented issue but not catastrophic. 100 complaints have been filed. Repairs average $250 and most owners catch it before it causes a breakdown.
At what mileage does the lighting typically fail?
Across the 73 complaints that reported odometer mileage, most lighting failures cluster between 90,000 and 146,000 miles, with the median around 111,000. A quarter of owners report trouble before 90,000; a quarter make it past 146,000. 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 $250 for lighting 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 lighting?
No active recalls currently cover lighting 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/2006/Chevrolet/Trailblazer.
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.