Powertrain
generic / SAE
P0475
Exhaust Pressure Control Valve A
A general fault on exhaust pressure control valve A — used as a backpressure brake on heavy-duty diesels and to assist DPF regeneration by raising exhaust temperature.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number4 / 75
Possible causes
- Valve seized or solenoid failed high
Inspection / repair
- Difficulty: medium
- DIY: shop recommended
- Estimated cost: 120–1000 €
- Estimated time: 0.7–3.5 h
- Component: exhaust pressure regulator
- MIL / check engine light
- emissions-relevant
Sources
References
sae:J2012