P1635 Diagnostic Trouble Code Discussion for December 2008
5-Volt Reference 'A' Circuit Malfunction
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| Help Request | Posted | |
| 1997 Chevrolet Lumina 3.1L MIL Lamp on VIN: 2G1WL52M5V P1635: 5-Volt Reference 'A' Circuit Malfunction. ... tech school installed a used transaxle in this car for reasons unknown, Car always stays in 3rd gear, codes p0560, p1635 stay set, I have follwed flow charts for both codes and the 2 power feeds to PCM are same as battery voltage, while car is running, all... |
December 17, 2008 | |
| 1997 Chevrolet Lumina 3.1L MIL Lamp on VIN: 2G1WL52M5V P1635: 5-Volt Reference 'A' Circuit Malfunction. ... tech school installed a used transaxle in this car for reasons unknown, Car always stays in 3rd gear, codes p0560, p1635 stay set, I have follwed flow charts for both codes and the 2 power feeds to PCM are same as battery voltage, while car is running, all... |
December 18, 2008 |
