Picked up this OBD reader for my Hummer it picks up on everything. Also, gives you recommendations for fixes as well as links to where you can purchase the parts. BlueDriver Bluetooth Pro OBD2 Car Diagnostic Scan Tool and Check Engine Light Code Reader for iPhone and Android https://a.co/d/9o0dBuy
Ok. I ran into the same issue you’re experiencing and the YAW sensor was my original thought so I went ahead and replaced it. Still had the issue. Checked my speed sensors replaced the damaged FDS sensor and resolved the issue. YAW sensor $42.99 on Amazon- YAW Sensor Front Driver Side Fit...
GM cleared the lights with programming the ABS module. Total cost $145 USD. No air trapped in the system. Vacuum bled is the way to go with these units. All is well. I appreciate all your help. Big thank you to Reloader and H3Hummer. Best.
Check your speed sensors at each wheel. I’ll bet one is either broken or wire has been frayed. If any have a defect traction control light will illuminate and message will read “ABS Fault” “Traction Control Failure”..etc.
Read another thread where someone was explaining how you will receive the same lights if installing a new ABS module without it being programmed by GM. Wasn’t a question I asked, but something I had read. May have been regarding the H2’s. I do have an appointment Thursday. They are willing...
Again, thank you for all your help. I purchased a pneumatic bleeder kit which resolved the issue I was having. Now off to the GM dealer on Thursday. I’m assuming driving w/the abs/tc and brake lights on is more of nuisance than a safety concern correct? I’ll be fine driving until Thursday...
Perfect! Thank you. All the while the engine is running correct? One more thing I’d like to pick your brain on if you don’t mind??? Have you bench bled one of these units before? I just purchased a new master cylinder should be here tomorrow. Is bench bleeding this unit the same as any...
Thank you for replying. Do you use the bottle method and do you pump 20-25 times per caliper or do you pump once release the pressure at the caliper, tighten and repeat? Also I read it’s possible to burn out the break assist motor if running longer than 1 minute. Again, appreciate all your...
Hello, replacing the master cylinder, brake booster etc. on my 06. I’m struggling to find the correct process for bench bleeding this particular OEM GM 174-1156. Also, is it must to have the ignition on while bleeding the rear brakes? Thank you
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