C2981 Bmw 520i OBD Code

OBD/2 C2981 error code description and symptoms.

The Throttle Position sensor signals the Engine Control Module as to the current position of the engine throttle valve.
The current throttle valve opening is based on the driver's input from the gas pedal. The ECM uses the information from this sensor to help calculate fuel delivery and spark timing.

A good starting point in your diagnosis is checking all system fuses and fusible links. This can be done using the DVOM on the voltage setting. You will want to test the fuses with circuits loaded. Some fuses will appear normal until a load is placed on their respective circuit; at which point they will fail. This has been the cause of many 'phantom malfunctions'. Consult your vehicle information source for fuse and fusible link locations. If all fuses are in working order, you may want to check TCM relay operation by swapping identical relays. Usually the horn relay, starter relay, fuel pump relay, air conditioning clutch relay, and controller relays are similar enough in design to swap for diagnostic purposes.

C2981 Bmw 520i Error Code Repair Process :

If your seat driver front down switch circuit failure check engine light is illuminated, it's best to take it in for diagnostic testing, which can feel like a hassle. Because while the lights vary in appearance from vehicle to vehicle, all have the same basic meaning: There's a problem with the car's emissions system. The on-board diagnostics system C2981 and engine control unit are in charge of monitoring a bunch of different seat driver front down switch circuit failure, and if they get a reading that's a little out of whack, up pops the check engine light.

Difficulty Level (Expert)
Level
Repair Time (60 Min.)
Time
Cost Prediction : $ 80-120

Common Causes of Bmw 520i C2981 OBD2 Code

A common cause of code C2981 is the failure of Seat Driver Front Down Switch Circuit Failure, but there are several other possible causes as well, such as ;
Wrench Tool C2981 is a kind of Chassis Trouble Code

Diagnosing chassis noises can be one of the most frustrating problems technicians face. Fortunately, manufacturers have engineered noise, vibration and harshness (NVH) diagnostic techniques and equipment to find the source of the noise.

C2981 code for other Bmw cars

You can view according C2981 DTC for your car model. We selected several models to see obd2 solutions click and view it.

Engine OBD 2 Codes website is a freeware resource center for engine trouble codes.

About Us | Contact | Privacy

Copyright 2017 © All rights reserved