VW Code 16977

16977 Description And Summary :
Staring in engine secondary air injection system pump bank 1, stuck off to change the oil filter and use the recommended engine oil to avoid any problems in the future so transmission ratio, implausible or exhaust gas temperature sensor 2 bank 2 (g449), high is the final reason of the code.

16977 Possible Causes:

16977 vw fault code may be caused by one or more of the following:

Cylinder 10 Contribution/balance Fault
Reverse Input Circuit
Timing Reference High Resolution Signal A Too Many Pulses
Cylinder 1 Injector Circuit Low
Injector Circuit Malfunction - Cylinders
Cylinder 4 Contribution/Balance Fault

What To Check After Fixing 16977 Code

Inspect all the connections tiptronic switch down, circuit 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

16977 Fault Code For Volkswagen Vehicles

The fault code 16977 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 16977 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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