U2105 Diagnostic Trouble Code Discussion for July 2020
TCM - No Communication With Engine Control Module
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| Help Request | Posted | |
| 2009 Pontiac G6 3.5L No Start VIN: 1G2ZG57N29 U2105: lost communication with ecm. ... this CAN system, I have a no start no crank.. I'm not getting a signal from the ECM to activate the starter relay.. jumping the relay the car will crank but wont fire... I have no communication with EBCM, TCM and ECM.. all fuses look and test good unde... |
July 31, 2020 |
