The worst 2001 GMC B7 problems
Ranked by number of owner complaints. Mileage and cost come from what owners wrote.
Problems by type
Tap a problem to see which part fails, at what mileage and in which other years.
Recalls 1
Service brakes, air: antilock
- What is wrong
- Vehicle description: school buses, medium duty trucks and tractors built with bendix air ABS with an ec-17 1030r electronic control unit (ecu), there have been reports of unwanted ABS activation at low speeds caused by 1) chafed ABS wheel speed sensor wires on rotating parts or 2) a damaged component at the wheel end that generates a certain type of erratic sensor signal.
- Risk
- This condition could cause the ABS ecu to exhaust the air at the air brake modulators for one or more of the wheels. This could result in extended braking distances and a possible crash.
- Remedy
- Dealers will replace the ABS ecu.
Recall number 00V232008 · Recall details
Technical service bulletins for the 2001 GMC B7 72
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
- This PI communicates the requirement to provide a pico file to receive diagnostic assistance from TAC.
- Vehicle Wide Programming (VWP) is a new process to update software on GM Vehicles
- GM is receiving damaged (cracked or broken) transmission cores returned to the reman facilities
- This service bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves...
- This bulletin provides information for use on a Product Assistance Claim (PAC), which is formerly known as...
- This service bulletin provides information for dealers/technicians on Service Programming System (SPS)...
- This technical bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake...
- This service bulletin provides service information to technicians on guidelines to replace Oil Cooler, Oil...
- This informational bulletin provides information for dealers/technicians on Headlamp, Tail Lamp, License...
- This PI bulletin advises the technician on the proper way to install the pistons in an engine.
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Questions about the 2001 GMC B7
Is the 2001 GMC B7 reliable?
Owners have filed 0 complaints about the 2001 GMC B7.
What is the most common problem with the 2001 GMC B7?
There are not enough complaints to tell.
How many recalls does the 2001 GMC B7 have?
1 recall, covering service brakes, air.
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