I have re-scanned the central locking computer and these are the current error codes. Can anyone help diagnose the likely fault area? I have checked the wiring loom in the drivers door and can't see any obvious fault. Would the lock unit generate these errors?
Trouble codes
B140F13
Passive/Sporadic
Voltage supply, terminal 30 for central locking
Open circuit
B190113
Passive/Sporadic
Voltage supply, terminal 30 for rear window heater
Open circuit
B195329
Passive/Sporadic
Driver side rear central locking lock unit
Implausible signal
B195429 Active/static
Front passenger side rear central locking lock unit
Implausible signal
B140A4B
Passive/Sporadic
Central locking
Excess temp.
B167929 Active/static
Driver central locking lock unit
Implausible signal
B168029
Passive/Sporadic
Front passenger central locking lock unit
Implausible signal