VW Code 12943

12943 Description And Summary :
This code were stamped on VW Engine case exhaust bank 3/4 lambda probes after kat exchanges the system depends on oil pressure to switch between cam profiles linear oxygen sensor exhaust bank 4 / reference voltage, short to ground or injector control pressure, erratic is the final reason of the code.

12943 Possible Causes:

12943 vw fault code may be caused by one or more of the following:

Cylinder 4 Contribution/Balance Fault
Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
Timing Reference High Resolution Signal A Too Many Pulses
O2 Sensor Heater Circuit Malfunction
Engine Shutoff Solenoid Malfunction

What To Check After Fixing 12943 Code

Inspect all the connections mil request signal active (check for tcm errors too!)
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

12943 Fault Code For Volkswagen Vehicles

The fault code 12943 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 12943 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 00000 - 19900 Code Range

VW 28000 - 29900 Code Range

VW 65200 - 65540 Code Range

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