With Code 17087

DTC 17087 / P0703

1) Pay attention to which hydraulic control the transmission has when selecting measuring value block.

Note: For DTC 17087 / P0703:
^ The signal from brake light switch -F is transmitted by the Engine Control Module (ECM) to the Transmission Control Module (TCM) via the CAN-Bus wire.
^ Conditions for malfunction recognition: The signals of the brake light switch and of the brake test switch are transmitted via the CAN-Bus wire to the Transmission Control Module (TCM) and evaluated from there. In case of implausibility this DTC appears in Transmission Control Module (TCM).