DTC P0703-62: Brake Switch B Circuit - Signal compare failure: Action
WARNING: This page is about a different car, the 2018 Jaguar XE. However, it is still accessible from the selected car via links, so may be relevant.
- Using the manufacturer approved diagnostic system, perform a CAN network integrity test
- Check Powertrain control module for related DTCs and refer to relevant DTC index
- Refer to the electrical circuit diagrams and check the brake pedal switch circuits for open circuit, short circuit to ground, short circuit to power
- Inspect connectors for signs of water ingress, and pins for damage and/or corrosion
- Check and install a new brake pedal switch as required
- Using the Jaguar Land Rover approved diagnostic equipment, clear all stored DTCs and retest