U0137 Diagnostic Trouble Code Discussion for March 2022
loss communication with Trailer brake control module
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| Help Request | Posted | |
| 2012 GMC Sierra 2500 HD SLE 6.0L ABS/Brake lights on VIN: 1GT220CG9C U0137: loss communication with Trailer brake control module. Need some help with communication fault codes! Have P0121 (loss comm. with EBCM) in Transfer case Module. Have p0137 (loss comm. with Trailer Brake module) in Body control module. Have no communication with EBCM and Trailer Brake modules, but able to commu... |
March 27, 2022 |
