Question about 2004 Cadillac CTS
I am not sure why the brake control module was replaced but it is located in the engine compartment on the right front fender.You will have to jack the vehicle up to get to it.Just follow the brake lines.The module has to be programmed after replacement.Also the brake pedal position sensor has to be calibrated.This has to be done at the dealership.The first thing you should do is get the codes and let me know what the code is.I can get back to you and let you know what the next step you should take.Just because the light is on does not mean you have to replace the electronic control module.That is why it is important to get the codes first.Hope this helps.Good luck.
Posted on Nov 10, 2010
Just check that the brake fluid level is ok, then you need to check that the ABS motor is also giving the brake system enough pressure. If these 2 areas are ok then you need to start looking at the sensors of the brake system.
Let me know, and I can give you more in-depth information.
Posted on Nov 10, 2010
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Posted on Jan 02, 2017
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this warning light or any other stays on in the dash it is indicating
that the systems control module (or the system sensor in the case of
lights like low oil pressure, door open indicators etc.) has detected
a fault, it then disables the system (this applies to ABS,TCS, TCM,
SRS, TPMS, MIL, CEL and BCM faults and others) as long as the light
is on. You must now have the dealer hook up a special electronic
diagnostic tool and "scan" the system for the fault code
that is stored for the problem(s)
Legend of Abbreviations. ABS Anti-lock brake system. TCS Traction control system, TCM Transmission control module, SRS Supplemental restraint system, BCM Body control module. TPMS Tire Pressure Monitor System, MIL Malfunction Indicator Lamp, CEL Check Engine Light.
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