Kessy/Immobiliser

Fault code 0595

Crash data stored

Diagnostic conditions
- Internal KESSY control module function test

Possible cause of fault
- Disconnecting relay (for interruption to battery positive voltage) is active (ignition cannot be switched on)
- Disconnecting relay (for interruption to battery positive voltage) faulty
- Control module faulty

Affected pins
- Disconnecting relay (for interruption to battery positive voltage) in current distributor (under left seat)

KESSY control module plug A:
- Pin 21 'CAN drive (low)'
- Pin 22 'CAN drive (high)'

Diagnosis/troubleshooting

WARNING:
Danger of personal injury due to risk of fire in the event of a short circuits in wiring harness and risk of fluids emerging from disconnecting relay (for interruption to battery positive voltage) when pressed.
- The disconnecting relay (for interruption to battery positive voltage) must only be pressed by trained and authorised staff
- Damage, abrasions or squashed wires in the wiring harness must be located and either repaired or replaced
- Short circuits to B+, short circuits to ground and open circuits in the entire wiring harness must be eliminated or repaired
- Mechanical components must not be damaged in any way that could cause emerging fluids to ignite in the event of a short circuit