Trouble Ticket Help Requests for DTC P0651
|2004 Pontiac Grand Prix GTP 3.8L Cuts out, MIL Lamp on VIN: 2G2WR52474
P0651: 5-Volt Reference 2 Circuit Malfunction. Car has codes PO651 & PO742. Baro & AC press sensors both have 5 volt reference. TCC release sensor will not release according to scanner.Unplug 10 pin at trans still shows not released.Also occasionally door locks lock & unlock when connecting &am...
|March 01, 2011|