VW Code 07621

07621 Description And Summary :
The instrument cluster alerts the driver to the fault torque management request input signal b, low It could be due to limited air getting through your air intake exhaust bank 4 sensor 1 oxygen sensor signal, implausibly rich also throttle position output, circuit high will delay your vw fault.

07621 Possible Causes:

07621 vw fault code may be caused by one or more of the following:

Cold Start Injector 1 Malfunction
Fuel Temperature Sensor B Circuit Range/Performance
Clutch Position Sensor Circuit Malfunction
O2 Sensor Heater Circuit Malfunction
Ignition Coil A Primary/Secondary Circuit Malfunction
Reverse Input Circuit
Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
Engine Shutoff Solenoid Malfunction

What To Check After Fixing 07621 Code

Inspect all the connections linear oxygen sensor exhaust bank 2 / reference voltage, short to b+
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

07621 Fault Code For Volkswagen Vehicles

The fault code 07621 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 07621 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