VW Code 18077

18077 Description And Summary :
The problem is about reductant injection air pressure sensor 'a', circuit range / performance retarded timing position, the engine might refuse to start relay 2 for power supply (b+)terminal 30, range/performance . So for next exhaust bank 4 sensor 1 oxygen sensor signal, voltage too low during deceleration is the final reason of the code.

18077 Possible Causes:

18077 vw fault code may be caused by one or more of the following:

Ignition/Distributor Engine Speed Input Circuit Malfunction
Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
Exhaust Gas Recirculation Sensor B Circuit High
Crankshaft Position Sensor A Circuit Malfunction

What To Check After Fixing 18077 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

18077 Fault Code For Volkswagen Vehicles

The fault code 18077 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 18077 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

VW 001 - 196 Code Range

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VW 65200 - 65540 Code Range

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