SAAB WIS ONLINE

EDC16 / P0380 08

Read the instructions below then start the fault diagnostic procedure.

Symptom: Fault indicator lamp (for further information see WIS Fault diagnosis, general)

  P0380 08


Glow Control Unit Feedback Error

Fault symptom

Fault indicator lamp (for further information see WIS Fault diagnosis, general)

On-board diagnosis

Type of diagnosis:

Continuous

Enable criteria:

Ignition ON.

Fault criteria:

Fault in preheating system circuit

System reaction to a fault:

-

Checking the wiring harness

Faults in the control module female connector can be the cause of the DTC. Check the connector with respect to oxidation, depressed pins and pin clamping force.
Jiggle the wiring harness at several points to detect intermittent breaks or short circuits. Check also the connector for oxidation or loose pins.

Diagnostic help

Diagnosis regards:

Data link from glow plug control module should switch high/low inversely to activation lead from EDC 16 to glow plug control module.
Check the glowplug control module for component fault, power supply or grounding.
Check the glow plugs and leads.
Electrical fault in connecting leads or component.

Functions in the diagnostic tool related to the fault: