P2600high severityPowertrain
Coolant Pump A Control Circuit Open
on 2021 Audi A4 2.0L I4 TFSI · AWD
What this code means
Open circuit in the electric auxiliary coolant pump control wiring.
Symptoms
- Engine overheating
- Check engine light
- No cabin heat
- Turbo overheating
Common causes
- Failed coolant pump
- Broken wiring
- Corroded connector
- Blown fuse
Diagnostic steps
- Check fuse
- Inspect pump connector
- Measure pump motor resistance
Repair notes
Replace coolant pump or repair wiring. Check for overheating damage.
Other Powertrain codes on this vehicle
P0001
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P0002
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P0003
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P0004
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P0010
Intake Camshaft Position Actuator Circuit/Open Bank 1
P0011
Intake Camshaft Position Timing Over-Advanced Bank 1
P0012
Intake Camshaft Position Timing Over-Retarded Bank 1
P0013
Exhaust Camshaft Position Actuator Circuit/Open Bank 1
P0014
Exhaust Camshaft Position Timing Over-Advanced Bank 1
P0015
Exhaust Camshaft Position Timing Over-Retarded Bank 1