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SPA  / B0959 01

Read the instructions below then start the fault diagnostic procedure.

Symptom: Message appears in display. SPA stops all measurements and the acoustic signals from SID for SPA are switched off.

  B0959 01


Left Center Distance Sensor. Communication line is short to +B.

Fault symptom

Message appears in display.
SPA stops all measurements and the acoustic signals from SID for SPA are switched off.

On-board diagnosis

Type of diagnosis:


Enable criteria:

Ignition ON.
Reverse gear selected
Battery voltage greater than 9 V.

The following diagnostic trouble codes may not be generated:
B1350 01
B1350 02

Fault criteria:

Sensor damaged.
Sensor not grounded or sensor communication cable shorted to sensor power supply lead.

System reaction to a fault:


The control module is inactive until it receives a signal from the sensor.

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.

Functions in the diagnostic tool related to the fault:

See Reading:
Distance, Left Middle Sensor
(See also description of readings/activations in diagnostic tool)