Powertrain
generic / SAE
P23C6
Engine Coolant Bypass Valve C Control Circuit Driver Current or Temperature Too High
The driver stage of the coolant bypass valve C reports excessive current draw or thermal protection trip - typically a sticking valve drawing too much motor current.
SystemPowertrain
Typegeneric / SAE
GroupP2
Range / number3 / C6
Possible causes
- Motor overloaded by jammed valve high
Symptoms
- Check engine light on
- Cooling fan runs constantly or not at all
- Cabin heater weak or excessively hot
- Possible long warm-up time or hard cold start
Inspection / repair
- Difficulty: medium
- DIY: possible
- Estimated cost: 200–800 €
- Estimated time: 1–3.5 h
- Component: coolant bypass valve c
- MIL / check engine light
Sources
References
sae:J2012