P2601 (Audi): Coolant Heat Storage (CHS) water pump failure, Coolant Heat Storag… — what it means, the affected system and what to check before replacing parts.
Coolant Heat Storage (CHS) water pump failure, Coolant Heat Storage (CHS) water pump relay, Powertrain Control Module (PCM) failure, Wiring issue. Source catalogue definition; confirm applicability using vehicle service information.
Affected system: Powertrain