Difference between revisions of "P334B/013131"
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Revision as of 10:47, 17 April 2015
P334B/013131 - Charge Pressure Control Actuator: Mechanical Malfunction
Possible Symptoms
- Malfunction Indicator Light (MIL) and/or Exhaust Warning Lamp active
- Reduced Idle quality and Engine Performance
Possible Causes
- Faulty Charge Pressure Control Actuator
- Faulty Turbocharger
- Wiring issues to/from Charge Pressure Control Actuator
- Mechanical adjustment problem with Charge Pressure Control Actuator and Turbocharger.
- Engine Controller software issue with 1.2l TFSI engines. See Special Notes
Possible Solutions
- Check Charge Pressure Control Actuator and Turbocharger
- Check wiring to/from Charge Pressure Control Actuator
- Check the Mechanical adjustment of the Charge Pressure Control Actuator and Turbocharger
- Check TPIs for known Engine Controller software issues with 1.2l TFSI engines. See Special Notes
Special Notes
- When found in 1.2l TFSI engines check the Official Factory Repair Information for TPIs that cover known issues with this DTC in addition to P334C. The following TPIs may be helpful:
- Audi TPI# 2027809/9
- VW Commercial (i.e. VW Caddy) TPI# 2031930/1
- VW TPI# 2027485/7