DTC P1884 BMW
4-5 Shift Upper Threshold
4-5 Shift Upper Threshold
Description
Engine running and vehicle driven, the DME detected a mechanical malfunction within the transmission. The ratio of the input speed minus the output speed is greater than the threshold value. The output speed is greater than 300rpm, the transmission oil te
Cause and Solution
Solenoid valves in valve body are faulty
Solenoid circuit is shorting to ground
Solenoid circuit is open
TCM has failed or wiring is shorting
Video Guide
Diagnostic Info
- DTC Code: P1884
- Brand: BMW