DTC B1207-12: Crash Input Hardwired Signal - Circuit short to battery: Action

NOTE: Before a collision, the crash signal has a frequency of 10 Hz ± 10% and a duty cycle of 50% ± 10%.

Using the Jaguar Land Rover approved diagnostic equipment, run application - ECU Diagnostics/Electric Power Inverter Converter Control Module (EPIC)/ECU Functions/On Demand Self Test. Refer to the electrical circuit diagrams and check the crash signal circuit for short circuit to ground, short circuit to power, open circuit, high resistance. Repair the wiring harness as necessary
Using the Jaguar Land Rover approved diagnostic equipment, check the restraints control module for related DTCs and refer to the relevant DTC index
Refer to the electrical circuit diagrams and check the restraints control module power and ground circuits for open circuit, high resistance. Repair the wiring harness as necessary