P204A Diagnostic Trouble Code Discussion for March 2015
reductant psi sensor low v
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| Help Request | Posted | |
| 2012 Volkswagen Passat TDI SE 2.0L MIL Lamp on VIN: 1VWBN7A31C P204A: reductant psi sensor low v. 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 |
