DTC Description Possible Causes Action Cycle the ignition off, then on, to power up parking
aid system and check corrective action B1B58-11
Rear Sensors Power
Circuit - Circuit short
to ground
Wiring harness fault
Control Module -
Component internal
failure
Check rear and front (if front PDC fitted) bumper
harness for signs of damage and security of
connections
Refer to electrical wiring diagrams and check the
parking assist rear sensor power circuit and front
sensor power circuit (if front PDC fitted) for short
circuit to ground. Repair or replace any wiring harness
as required
Using the manufacturers approved diagnostic system
clear the DTC and run the on demand self test. If the
problem persists, suspect the control module
Cycle the ignition off, then on, to power up parking
aid system and check corrective action B1C30-73
Disable Switch -
Actuator stuck closed
Wiring harness fault
Control Switch -
Component internal
failure
Refer to electrical wiring diagrams and check the
parking assist switch and switch circuit. Repair or
replace any wiring harness as required
Using the manufacturers approved diagnostic system
clear the DTC and run the on demand self test. If the
problem persists, suspect the control switch
Check the switch function U0010-00
Medium Speed CAN
Communication Bus -
No sub type
information
Medium speed CAN
failure - bus off
Refer to the electrical circuit diagrams and check the
parking aid control module medium speed CAN bus
for short circuit to ground, short circuit to power,
open circuit, high resistance, or short circuit between
the paired CAN wires
Using the manufacturer approved diagnostic system,
complete a CAN network integrity test
Cycle the ignition off, then on, and check if the DTC
is still logged U0073-00
Control Module
Communication Bus
"A" Off - No sub type
information
Control module
communication Bus "A"
failure - bus off
Refer to the electrical circuit diagrams and check the
parking aid control module high speed CAN bus for
short circuit to ground, short circuit to power, open
circuit, high resistance, or short circuit between the
paired CAN wires
Using the manufacturer approved diagnostic system,
complete a CAN network integrity test
Cycle the ignition off, then on, and check if the DTC
is still logged U0140-00
Lost Communication
With Body Control
Module - No sub type
information
Loss of CAN
communication with
central junction box
Refer to the electrical circuit diagrams and check the
power and ground connections to the central junction
box. Clear DTC and retest
Using the manufacturer approved diagnostic system,
complete a CAN network integrity test. Refer to the
electrical circuit diagrams and check the CAN network
between the central junction box and the parking aid
control module U0142-00 Lost Communication
Loss of CAN
Refer to the electrical circuit diagrams and check the With Body Control Module "B" - No sub communication with power and ground connections to the auxiliary type information auxiliary junction box junction box. Clear DTC and retest Using the manufacturer approved diagnostic system, complete a CAN network integrity test. Refer to the electrical circuit diagrams and check the CAN network between the central junction box and the parking aid control module U0155-00
Lost Communication
With Instrument Panel
Cluster (IPC) Control
Module - No sub type
information
Loss of CAN
communication with
instrument cluster
Refer to the electrical circuit diagrams and check the
power and ground connections to the instrument
cluster. Clear DTC and retest
Using the manufacturer approved diagnostic system,
complete a CAN network integrity test. Refer to the
electrical circuit diagrams and check the CAN network
between the central junction box and the parking aid
control module
