Cooling System Malfunction
2000-2003 Audi S6 4.2L V8
Description
The ECU detected that the engine cooling system is not operating within expected parameters. The coolant temperature is not reaching or maintaining the expected operating range within the allotted time.
Symptoms
- Check Engine Light
- Engine running cold
- Poor heater output
- Reduced fuel economy
- Higher emissions
Common Causes
- Thermostat stuck open
- Coolant temperature sensor fault
- Low coolant level
- Cooling fan running constantly
- Coolant leak causing slow warm-up
Diagnostic Steps
- Check coolant level and condition
- Monitor coolant temperature rise during warm-up with scan tool
- Test thermostat operation
- Test coolant temperature sensor
- Check for coolant leaks
Repair Notes
Replace the thermostat if the engine is not reaching operating temperature.
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
P1296 on Other Vehicles
Common Questions
What does code P1296 mean on a 2000-2003 Audi S6?
P1296 stands for "Cooling System Malfunction". The ECU detected that the engine cooling system is not operating within expected parameters. The coolant temperature is not reaching or maintaining the expected operating range within the allotted time.
What are the symptoms of P1296 on a Audi S6?
Common symptoms of P1296 include: Check Engine Light, Engine running cold, Poor heater output, Reduced fuel economy, Higher emissions.
What causes P1296 on a 2000-2003 Audi S6?
Common causes of P1296 include: Thermostat stuck open, Coolant temperature sensor fault, Low coolant level, Cooling fan running constantly, Coolant leak causing slow warm-up.