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Home >> Jaguar >> 2005 >> XKR 2D Convertible >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission/Transaxle >> Automatic Transmission/Transaxle >> Transmission Description - Description & Operation >> TCM Monitoring Functions >> Position Sensor Monitoring

Position Sensor Monitoring

The TCM can identify errors with the position switch located within the transmission. If an unrecognized position code is read by the TCM a plausibility fault will be logged. (A code is checked between positions).

The position switch outputs a 4-bit code to the TCM, the bits being labelled L1-L4. For the transmission, the following codes are used to identify the selector position.

Only for the automatic side of the J-GATE P,R,N,D

Selector position switch code

Position Code
L1 L2 L3 L4
Park 0 0 1 0
Reverse 0 0 0 1
Neutral 0 1 0 0
Drive 1 1 1 0