P0651 Diagnostic Trouble Code Discussion for July 2017
5-Volt Reference 2 Circuit Malfunction
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| Help Request | Posted | |
| 2007 Chevrolet Cobalt LS 2.2L MIL Lamp on VIN: 1G1AK55F47 P0651: 5-Volt Reference 2 Circuit Malfunction. Help time! Have this cobalt with P0651. On this car #2 five volt reference circuit feeds app 1, tp sensor 1+2 and the ckp. The problem is very intermittent and i have not been able to reproduce it. customer complains of a slight shudder when it happened. check... |
July 20, 2017 |
