VW Code 12848

12848 Description And Summary :
Diagnosing engine bar with 'a' rocker arm actuator control, circuit high retarded timing position, the engine might refuse to start linear oxygen sensor exhaust bank 2 / pump current, short to ground or change exhaust bank 3, probe 2 heating circuit interruption will delay your vw fault.

12848 Possible Causes:

12848 vw fault code may be caused by one or more of the following:

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

What To Check After Fixing 12848 Code

Inspect all the connections secondary air injection pump-c-relay (j704), 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

12848 Fault Code For Volkswagen Vehicles

The fault code 12848 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 12848 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

VW 001 - 196 Code Range

Page 1

VW 00000 - 19900 Code Range

VW 28000 - 29900 Code Range

VW 65200 - 65540 Code Range

Page 24