U0073 Diagnostic Trouble Code Discussion for July 2017
Control Module Communication Bus Off
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| Help Request | Posted | |
| 2007 Chevrolet HHR LT 2.4L Reduced power VIN: 3GNDA23P97 U0073: Control module com bus off. ... P0107, P2138, u0073. cleared codes and test drove. Once warmed up vehicle went into reduced power mode at full throttle and only will reset 02138 app sensor 1-2 correlation. scoped sensor wi... |
July 28, 2017 |
