BMW DTC P1637 – Throttle Valve Position Control, Control Deviation (Bank 1)
DTC P1637 meaning on BMW
DTC P1637 for BMW refers to an issue with the Throttle Valve Position Control, specifically focusing on Control Deviation in Bank 1. This fault code indicates that there is a discrepancy between the desired throttle valve position and the actual position detected by the vehicle’s sensors.
BMW DTC P1637 symptoms
Symptoms of DTC P1637 on a BMW may include:
- Reduced engine power
- Engine stalling or hesitation
- Check Engine Light (CEL) illuminated on the dashboard
- Poor acceleration response
BMW DTC P1637 causes
The common causes of DTC P1637 on a BMW include:
- Faulty throttle valve position sensor
- Issues with the throttle body or throttle actuator
- Wiring or connection problems in the throttle control system
- Software or calibration issues
BMW DTC P1637 seriousness
DTC P1637 should be addressed promptly as it can lead to drivability issues and potential safety concerns. Ignoring this fault code may result in further damage to engine components and could compromise the vehicle’s performance.
How to diagnose DTC P1637 on BMW
To diagnose DTC P1637 on a BMW, you can perform the following steps:
- Use a diagnostic scanner to retrieve the fault code and related data
- Inspect the throttle valve position sensor and wiring for any visible damage
- Check the throttle body and actuator for proper operation
- Perform a throttle adaptation or calibration procedure using a diagnostic tool
How to fix DTC P1637 on BMW
To fix DTC P1637 on a BMW, you can try the following solutions:
- Replace the faulty throttle valve position sensor
- Clean or replace the throttle body if necessary
- Repair any damaged wiring or connections in the throttle control system
- Perform a software update or reflash to address calibration issues
How to erase DTC P1637 on BMW
To erase DTC P1637 on a BMW, you can use a diagnostic scanner to clear the fault code from the vehicle’s memory. After addressing the underlying issue causing the fault code, you can reset the Check Engine Light and verify that the code does not return during driving cycles.