Powertrain
generic / SAE
P2169
Exhaust Pressure Regulator Vent Solenoid Control Circuit/Open
The drive circuit of the exhaust pressure regulator vent solenoid is open. The solenoid releases pressure from the exhaust backpressure regulator, which is part of the exhaust brake system on diesel trucks.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number1 / 69
Possible causes
- Solenoid winding open high
- Pin pushed back out of connector body low
- Cracked solder joint inside the module or sensor low
Inspection / repair
- Difficulty: medium
- DIY: shop recommended
- Estimated cost: 100–700 €
- Estimated time: 0.7–2.5 h
- Component: exhaust pressure regulator
- Component: exhaust brake
- MIL / check engine light
- emissions-relevant
Sources
References
sae:J2012