P0652 Diagnostic Trouble Code Discussion for March 2018
Sensor Reference Voltage 2 Circuit Low
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| Help Request | Posted | |
| 2010 Audi S4 3.0L No Start VIN: WAUBGAFL0A P0652: Reference ckt failure. ... overheating. Replaced tstat water pump and crossover tube. Car left running fine. Towed in as a no-start. No spark. No Rpm signal on multiple scanners. Code P0652 says reference ckt. problem. The flow chart only says replace PCM. Tried new crank sensor... |
March 10, 2018 | |
| 2010 Audi S4 3.0L No Start VIN: WAUBGAFL0A P0652: Reference ckt failure. ... overheating. Replaced tstat water pump and crossover tube. Car left running fine. Towed in as a no-start. No spark. No Rpm signal on multiple scanners. Code P0652 says reference ckt. problem. The flow chart only says replace PCM. Tried new crank sensor... |
March 13, 2018 |
