RRDM / B3963 00
Read the instructions below then 
start the fault diagnostic procedure.
Symptom: Lock malfunction.
	
TSL Sensor Failure

Fault symptom
Lock malfunction.
On-board diagnosis
Type of diagnosis:
Enable criteria:
| When the car is TSL-locked. | 
Fault criteria:
| Engine has locked TSL mode without status change on the sensor. | 
| The engine has exited TSL mode without status change on the sensor. | 
System reaction to a fault:
| Piston position bus signal "invalid" when fault is detected. | 
Checking the wiring harness
Move the wiring harness at several spots and in several directions to reveal intermittent breaks and short-circuits. Check switches, connectors and crimp connections for oxidation, retracted pins and pin clamping force.
Diagnostic help
Diagnosis regards:
| Electrical fault in connecting leads or component. |