P2602
Coolant Pump A Control Circuit Low
2018-2018 Audi A6 3.0L Supercharged V6
High SeverityPowertrainGeneric (SAE)
The 2018 Audi A6 is equipped with a 3.0L V6 engine. Below you'll find detailed p2602 diagnostic code information including labor time estimates, cost ranges, and technician notes specific to this engine configuration.
Description
Low voltage on auxiliary coolant pump circuit.
Symptoms
- Check engine light
- Possible overheating
Common Causes
- Short to ground
- Failed pump
- Wiring damage
Diagnostic Steps
- Measure circuit voltage
- Check for shorts
Repair Notes
Repair wiring or replace pump.
Related Codes
Other Powertrain Codes
- P0001Fuel Volume Regulator Control Circuit/Open
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0003Fuel Volume Regulator Control Circuit Low
- P0004Fuel Volume Regulator Control Circuit High
- P0010Intake Camshaft Position Actuator Circuit/Open Bank 1
- P0011Intake Camshaft Position Timing Over-Advanced Bank 1
- P0012Intake Camshaft Position Timing Over-Retarded Bank 1
- P0013Exhaust Camshaft Position Actuator Circuit/Open Bank 1
- P0014Exhaust Camshaft Position Timing Over-Advanced Bank 1
- P0015Exhaust Camshaft Position Timing Over-Retarded Bank 1
P2602 on Other Vehicles
Common Questions
What does code P2602 mean on a 2018-2018 Audi A6?
P2602 stands for "Coolant Pump A Control Circuit Low". Low voltage on auxiliary coolant pump circuit.
What are the symptoms of P2602 on a Audi A6?
Common symptoms of P2602 include: Check engine light, Possible overheating.
What causes P2602 on a 2018-2018 Audi A6?
Common causes of P2602 include: Short to ground, Failed pump, Wiring damage.
Last updated: March 2026