OBD-II code · Powertrain (generic, extended)
P2DF4 Coolant Pump E Control Circuit/Open
Coolant pump E reports a control circuit/open condition. Coolant circulation through the affected loop cannot be commanded reliably.
Is it safe to drive with P2DF4?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelyPump motor or driver fault
- PossibleWiring or connector fault
- Less likelyPin pushed back out of connector body
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Best left to a mechanic
- Typical labour
- 1–4 h
- Emissions test
- Usually unaffected
- Parts involved
- Coolant Pump E, Wiring Harness, Ecm
Related codes
- P2B66Coolant Pump D Control Circuit/Open
- P2DF1Intake Valve Lift Range/Performance Bank 2
- P2DF2Intake Valve Lift Range/Performance System
- P2DF3Engine Disconnect Clutch Actuator Position Not Learned
- P2DF5Coolant Pump E Control Circuit Low
- P2DF6Coolant Pump E Control Circuit High
- P2DF7Coolant Pump E Overspeed/Air in System
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.