P2556 Diagnostic Trouble Code Discussion for May 2023
Engine coolant level sensor/ switch circuit
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| Help Request | Posted | |
| 2018 Audi A6 Premium Plus 2.0L MIL Lamp on VIN: WAUD8AFC3J P2556: Engine coolant level sensor/ switch circuit. ... mount. Shortly after that (same day) check engine light came on with codes P2556 & P2181. The P2556 low coolant isn't low. Replaced bottle with aftermarket and then OEM , same code. P2181 think it's going to be thermostat/water pump. Back to P2556 ... |
May 22, 2023 |
