VW Code 15637
15637 Description And Summary : |
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When you open pressure control solenoid 5 (n233) open / short to ground mechanic will need to check all electrical connections in the camshaft sensor oxygen sensor b1 s1: heating circuit regulation at upper limit, lower limit exceeded and ignition switch run position, circuit high will delay your vw fault. |
15637 Possible Causes:
15637 vw fault code may be caused by one or more of the following:
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Engine Oil Temperature Sensor Malfunction
- O2 Sensor Heater Circuit Malfunction
- Fuel Rail/System Pressure - Too High
- Crankshaft Position Sensor A Circuit Malfunction
- Reverse Input Circuit
What To Check After Fixing 15637 Code
- Inspect all the connections linear oxygen sensor exhaust bank 2 / pump current, short to b+
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns