Powertrain
generic / SAE
P048D
Exhaust Pressure Control Valve A Position Sensor/Switch Circuit Low
Exhaust Pressure Control Valve A Position Sensor/Switch Circuit Low: the signal voltage is below the expected range. Often a short to ground or high resistance in the wiring.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number4 / 8D
Possible causes
- Short to ground high
- Connector pins corroded - high contact resistance low
- Harness chafing through insulation low
Inspection / repair
- Difficulty: medium
- DIY: shop recommended
- Estimated cost: 80–600 €
- Estimated time: 0.5–2.5 h
- Component: exhaust pressure regulator
- MIL / check engine light
- emissions-relevant
Sources
References
sae:J2012