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U1040 Diagnostic Trouble Code Discussion for June 2012

Lost Communication With Antilock Brake System Module


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Trouble Ticket Help Requests for DTC U1040
Help Request Posted
2001 Chevrolet Monte Carlo LS 3.4L No Start VIN: 2G1WW12E71
U1040: Loss of Electronic Brake Controller Communication. ... radio doesn't work but the security light on the radio is blinking like normal. Also, the only light that works on the IPC, with key on, is the check engine light. Scanned for fault codes, codes in the PCM, ABS, SIR, and Radio, cleared all the codes, since...
June 22, 2012
2001 Chevrolet Monte Carlo LS 3.4L No Start VIN: 2G1WW12E71
U1040: Loss of Electronic Brake Controller Communication. ... radio doesn't work but the security light on the radio is blinking like normal. Also, the only light that works on the IPC, with key on, is the check engine light. Scanned for fault codes, codes in the PCM, ABS, SIR, and Radio, cleared all the codes, since...
June 22, 2012