Trouble Ticket Help Requests for DTC P0651
|2012 Volkswagen Passat TDI SE 2.0L MIL Lamp on VIN: 1VWBN7A31C
P0651: ref v b open. This vehicle has a long history of check engine light on. We are picking this one up after a previous post and a delay. We have discovered that the ECM is not putting out a 5v reference on circuits for *(reducatant psi sensor)*, *(glow plug (compression) sens...
|March 02, 2015|