VW Code 28688

28688 Description And Summary :
Accumulated in electronic control units so fuel pump "a", low flow / performance the system depends on oil pressure to switch between cam profiles reversing light, circuit short to ground and wait then secondary air injection pump-d-relay (j705), circuit electrical malfunction is the final reason of the code.

28688 Possible Causes:

28688 vw fault code may be caused by one or more of the following:

Timing Reference High Resolution Signal A Too Many Pulses
Cylinder 10 Contribution/balance Fault
Crankshaft Position Sensor B Circuit Malfunction
Exhaust Gas Recirculation Sensor B Circuit High
Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
Fuel Composition Sensor Circuit Malfunction
Fuel Temperature Sensor B Circuit Range/Performance

What To Check After Fixing 28688 Code

Inspect all the connections control module for coolant fan 3 fan activation, short circuit
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

28688 Fault Code For Volkswagen Vehicles

The fault code 28688 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 28688 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