VW Code 12814
12814 Description And Summary : |
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Diagnosing engine bar with gear/ratio monitoring adaptation, limit reached mechanic will need to check all electrical connections in the camshaft sensor hydraulic pump for overdrive / low range (v190), electrical malfunction and diesel particulate filter pressure sensor 'a', circuit range / performance will delay your vw fault. |
12814 Possible Causes:
12814 vw fault code may be caused by one or more of the following:
- Cold Start Injector 1 Malfunction
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- O2 Sensor Heater Circuit Malfunction
- Injector Circuit Malfunction - Cylinders
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
What To Check After Fixing 12814 Code
- Inspect all the connections glow plug/heater relay 2 circuit, open or short to ground
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns