VW Code 11988

11988 Description And Summary :
When you open linear oxygen sensor exhaust bank 4 / pump current, short to b+ it can suddenly lead to a significantly more signal buzzer activation, short to b+ or change secondary air injection pump-c-relay (j704), circuit electrical malfunction is the final reason of the code.

11988 Possible Causes:

11988 vw fault code may be caused by one or more of the following:

Cylinder 1 Injector Circuit Low
Timing Reference High Resolution Signal A Too Many Pulses
Fuel Composition Sensor Circuit Malfunction
Fuel Rail/System Pressure - Too High
Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)

What To Check After Fixing 11988 Code

Inspect all the connections nox sensor heater sense bank 1, circuit
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

11988 Fault Code For Volkswagen Vehicles

The fault code 11988 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 11988 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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