VW Code 12628

12628 Description And Summary :
Diagnosing engine bar with relays for electrical fuel pump 2 (j49), short-circuit after pluses causes include a bad boost pressure sensor or a vacuum leak in the system valve for torque support mount, short to plus you can see the starter interlock, circuit open is the final reason of the code.

12628 Possible Causes:

12628 vw fault code may be caused by one or more of the following:

Ignition Coil A Primary/Secondary Circuit Malfunction
Engine Oil Temperature Sensor Malfunction
Timing Reference High Resolution Signal A Too Many Pulses
Injector Circuit Malfunction - Cylinders
O2 Sensor Heater Circuit Malfunction
Turbocharger Boost Sensor A Circuit Low

What To Check After Fixing 12628 Code

Inspect all the connections throttle/pedal position sensor / switch 'f', circuit intermittent
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

12628 Fault Code For Volkswagen Vehicles

The fault code 12628 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 12628 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