P2064 AUDI - Reductant/Regeneration Supply Control Circuit High
- Faulty Reductant Injector Air Pump
- Reductant Injector Air Pump harness is open or shorted
- Reductant Injector Air Pump circuit poor electrical connection
- Faulty Powertrain Control Module (PCM)
- Engine Light ON (or Service Engine Soon Warning Light)
P2064 Audi DescriptionThe code indicates that the Powertrain Control Module (PCM) has detected a malfunction in the reductant injector air pump control circuit.
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