P0231high severityPowertrain
Fuel Pump Secondary Circuit Low
on 2014 Audi R8 5.2L V10 · AWD
What this code means
Low voltage in the fuel pump secondary (output) circuit.
Symptoms
- Engine stalling
- No start
- Loss of power at high RPM
Common causes
- Fuel pump failing
- Corroded connector
- High resistance wiring
- Weak battery during cranking
Diagnostic steps
- Test voltage at pump connector
- Check connector
- Measure current draw
Repair notes
Replace fuel pump or repair wiring.
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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
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P0014
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P0015
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