Powertrain
generic / SAE
P2425
EGR Cooling Valve Control Circuit Open
The valve that admits coolant flow to the EGR cooler has an open control circuit - cooling cannot be enabled and EGR temperatures stay too high.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number4 / 25
Possible causes
- Open in valve or wiring high
- Pin pushed back out of connector body low
- Cracked solder joint inside the module or sensor low
Symptoms
- Check engine light on
- Pinging or knocking under load
- Power loss and hesitation
- Possible rough idle
- Failed emissions inspection (NOx)
Inspection / repair
- Difficulty: medium
- DIY: possible
- Estimated cost: 120–500 €
- Estimated time: 0.6–2 h
- Component: egr cooling valve
- MIL / check engine light
- emissions-relevant
Sources
References
sae:J2012