P0615moderate severityPowertrain
Starter Motor Relay Circuit
on 2009 Audi A8 4.2L V8 · AWD
What this code means
Malfunction in the starter motor relay circuit.
Symptoms
- No start - no crank
- Starter relay clicking
- Intermittent no-start
Common causes
- Faulty starter relay
- Wiring issue
- Ignition switch problem
- Neutral safety switch issue
- PCM starter control failure
Diagnostic steps
- Test starter relay
- Check wiring to relay
- Test ignition switch
- Test neutral safety switch
- Check PCM starter output
Repair notes
Replace starter relay. Check ignition switch and neutral safety switch.
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