DTC P0034: Turbocharger/Supercharger Bypass Valve A Control Circuit Low
WARNING: This page does not describe the selected car, but rather 33 other vehicles, including the 2010 Mercury Mountaineer, 2010 Mercury Milan, 2010 Mercury Mariner, 2010 Mercury Grand Marquis, and 2010 Lincoln Town Car. However, it is still accessible from the selected car via links, so may be relevant.
DTC P0034: TURBOCHARGER/SUPERCHARGER BYPASS VALVE A CONTROL CIRCUIT LOW
| Description: | The powertrain control module (PCM) continuously monitors the TCBY circuit for concerns. This DTC sets when the PCM detects a short to ground in the circuit. | ||
| Possible Causes: |
|
||
| Diagnostic Aids: | Check the harness for intermittent concerns, poor connection, routing, alterations and damage due to contact with other components. This DTC only sets when the valve is commanded closed. |
||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to PINPOINT TEST HN . | ||