Powertrain
generic / SAE
P04A0
Exhaust Pressure Control Valve B Range or Performance
Same as P049F with feedback in plausible range yet not matching the engine model - actuator slow, slipping or position sensor offset.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number4 / A0
Possible causes
- Actuator slow due to soot high
- Gearing slipping medium
Inspection / repair
- Difficulty: medium
- DIY: shop recommended
- Estimated cost: 250–1200 €
- Estimated time: 1.5–4 h
- Component: exhaust pressure valve b
- Component: exhaust pressure actuator b
- MIL / check engine light
- emissions-relevant
Sources
References
sae:J2012