P1545high severityPowertrain
Throttle Position Control Malfunction
on 1996 Audi A6 2.8L V6 · AWD
What this code means
The ECU detected that the electronic throttle body is not achieving the commanded position. The actual throttle opening deviates from the target by more than the allowable tolerance.
Symptoms
- Check Engine Light
- Reduced power mode
- Throttle response sluggish
- Engine may stall
- EPC warning light on
Common causes
- Carbon buildup on throttle plate
- Faulty throttle body motor
- Throttle position sensor fault
- Wiring issue
- ECU throttle driver failure
Diagnostic steps
- Perform throttle body adaptation/basic setting
- Clean throttle body
- Test throttle motor by commanding positions
- Check wiring and connector
- Monitor commanded vs actual throttle position
Repair notes
Clean throttle body and perform adaptation; replace if motor has failed.
Other Powertrain codes on this vehicle
P0001
Fuel Volume Regulator Control Circuit/Open
P0002
Fuel Volume Regulator Control Circuit Range/Performance
P0003
Fuel Volume Regulator Control Circuit Low
P0004
Fuel Volume Regulator Control Circuit High
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