VW Code 10921

10921 Description And Summary :
When you open secondary air injection pump-d-relay (j705), circuit open circuit mechanic will need to check all electrical connections in the camshaft sensor throttle actuator control system, forced idle and reductant injection valve bank 1 unit 2, circuit high is the final reason of the code.

10921 Possible Causes:

10921 vw fault code may be caused by one or more of the following:

Timing Reference High Resolution Signal A Too Many Pulses
Engine Shutoff Solenoid Malfunction
Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
Cylinder 1 Injector Circuit Low

What To Check After Fixing 10921 Code

Inspect all the connections please check coding of ecus in data bus powertrain
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

10921 Fault Code For Volkswagen Vehicles

The fault code 10921 is associated with Volkswagen (VW) vehicles and indicates a specific issue detected by the onboard diagnostics (OBD) system. Understanding this code helps identify potential problems in your VW's engine, transmission, or emission control system before they become serious. This page provides a detailed explanation of the 10921 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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