This service bulletin provides information on Exterior Lamp Condensation and Water Leak Information and Replacement Guidelines.
full bulletin at NHTSA ↗2023 Chevrolet Colorado lighting problems
moderate 6 complaints filed with NHTSA · avg repair $250 · see lighting across all vehicles →
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering lighting 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.
This service bulletin provides information about GM Accessories - Dealer-Installed, Repaired or Replaced During Warranty Coverage Period.
full bulletin at NHTSA ↗This Preliminary information communicates to dealers? information related to a Malfunction Indicator Lamp (MIL) Illuminated due to a U0672 setting. Advises the technician to perform Electric Engine Coolant Pump connection inspections. To clear the code to see if it resets current. If the code resets it advises to utilize Strategy Based Diagnosis. If the code does not reset, it advises to release the vehicle to the customer and that GM is aware of this issue.
full bulletin at NHTSA ↗This informational bulletin provides information for dealers/technicians on Headlamp, Tail Lamp, License Lamp or Fog/Driving Lamp Damage.
full bulletin at NHTSA ↗This service bulletin provides information to inform dealership personnel about Law Enforcement and Government vehicles that request to disable or enable content.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
What owners are reporting 2 most recent
#1 Adaptive cruise control suddenly brakes when there are no vehicles ahead. #2 After completing right turn with right turn signal flashing the left turn signal is activated and flashes three times.
When trailer is plugged in Left Turn Signal cannot be found by Trailer Light Test via onboard diagnostics. Left turn signal function correctly when trailer is not connect. When trailer is connected left turn signal flashes rapidly.
Common questions
How serious is the lighting problem on the 2023 Chevrolet Colorado?
It's a documented issue but not catastrophic. 6 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?
Mileage data is limited for this issue. Owners report failures across a wide range, suggesting cause is more about driving conditions and maintenance than mileage alone.
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.