Q: AC blower motor quit, ABS and brake lights on - 2003 GMC Sierra 2500

asked by on

Recently, I've been having some issue with the AC blower motor in my truck. It quit working and won't turn on. Also, the dash started showing the ABS light and brake light illuminated. The lights won't turn off. What might be causing this?

A common issue on the Sierra is a failure of the blower motor resistor. This should be checked and replaced if faulty. The ABS Light being on indicates a fault in the ABS system, wheel speed sensors and or solenoid valves are often items that can turn on the ABS light. Fault codes should be read out of the ABS system to determine the cause of the malfunction. You may want to enlist the help of a mechanic, such as one from YourMechanic, who will the tools and expertise to diagnose and correct both the ABS Light and Brake Light problems.

Was this answer helpful?

Need advice from certified mechanic? Get help now!

Over 1,000 mechanics are ready to answer your question.
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details
  1. Home
  2. Questions
  3. AC blower motor quit, ABS and brake lights on - 2003 GMC Sierra 2500

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing

Get a quote

What others are asking

Q: What should i check before replacing the ABS module

Hello There, It sounds like you may have some faulty wheel speed sensors that may be causing the ABS light to come on. Your car is equipped with wheel speed sensors at each of the four wheels which monitor wheel...

Q: Can running the blowers for the AC with the engine off drain the battery?

The problem is although the current draw over 45 minutes might be "low", your battery might be weak, meaning it could have a bad cell and a low reserve capacity. It doesn't take much to "drain" a weak battery. A...

Q: What is the code P0352 and P0351

Hello. The codes you are receiving are telling you the circuitry for those cylinders is faulty. Taking the corrective measures you have thus far were great, and they allow us to proceed with further inspection of other components. You will...

Related articles

P0052 OBD-II Trouble Code: HO2S Heater Control Circuit High (Bank 2 Sensor 1)
P0052 code definition HO2S Heater Control Circuit High (Bank 2 Sensor 1) What the...
P0240 OBD-II Trouble Code: Turbocharger Boost Sensor B Circuit Range/Performance
P0240 code definition Turbocharger Boost Sensor B Circuit Range/Performance What the P0240 code means P0240 is an OBD-II generic code triggered when the Engine Control Module (ECM) detects the intake boost...
How Much Does a Mechanic Make in Vermont?
Automotive technician jobs in Vermont have an average mechanic salary of $37k, with some mechanics earning a salary of $53k.