DTC P1638 BMW
Throttle Valve Position Control Throttle Stuck Temporarily (Bank 1)
Throttle Valve Position Control Throttle Stuck Temporarily (Bank 1)
Description
Engine started, and the battery voltage is greater than 7 volts, and despite control signal to throttle valve, no position change was detected in 0.6 seconds. The throttle valve activation occurs via an electric motor (throttle drive) in the throttle valv
Cause and Solution
TP sensor signal circuit is open (inspect wiring and connector)
TP sensor signal circuit is shorted to ground
TP sensor or module is damaged or it has failed
Throttle valve is damaged or dirty
Video Guide
Diagnostic Info
- DTC Code: P1638
- Brand: BMW