VW Code 01870
01870 Description And Summary : |
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The problem is about ecm/pcm internal engine off timer, performance retarded timing position, the engine might refuse to start controller for radiator exhaust oh run (j138), short-circuit after pluses you can see the control module 1 for cooling fan, excess temperature will delay your vw fault. |
01870 Possible Causes:
01870 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor B Circuit Malfunction
- Cylinder 1 Injector Circuit Low
- Engine Shutoff Solenoid Malfunction
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Reverse Input Circuit
- Cylinder 4 Contribution/Balance Fault
- Fuel Temperature Sensor B Circuit Range/Performance
- Cylinder 10 Contribution/balance Fault
What To Check After Fixing 01870 Code
- Inspect all the connections secondary air injection valve 3 (n384), circuit electrical malfunction
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns