P1635 Diagnostic Trouble Code Discussion for May 2009
5-Volt Reference 'A' Circuit Malfunction
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| Help Request | Posted | |
| 2003 Pontiac Grand Prix SE 3.1L No Start, Stall, MIL Lamp on VIN: 1G2WK52J73 P1635: 5-Volt Reference 'A' Circuit Malfunction. The customer drove it in and I drove it into the shop. It had these six codes, but was running great. After a day of starting, and monitoring PID's it started acting up on a more regular interval. I have good solid 5 volt Referance when I check at each compone... |
May 13, 2009 | |
| 2003 Pontiac Grand Prix SE 3.1L No Start, Stall, MIL Lamp on VIN: 1G2WK52J73 P1635: 5-Volt Reference 'A' Circuit Malfunction. The customer drove it in and I drove it into the shop. It had these six codes, but was running great. After a day of starting, and monitoring PID's it started acting up on a more regular interval. I have good solid 5 volt Referance when I check at each compone... |
May 29, 2009 |
