SAAB WIS ONLINE

P0380

Read the instructions below then start the fault diagnostic procedure.

Symptom: CHECK ENGINE lamp on.

P0380


Glow Control Unit Feedback Error

Fault symptoms


• CHECK ENGINE lamp on.


On-Board Diagnostics

Type of diagnosis:


- Continuous.


Enable criteria:


- Turn Ignition On.


Fault criteria:


- Fault in the preheat circuit


Check the wiring

A fault in the control module's female connector can generate a DTC. Check the contact for oxidation, dislodge pins and pin clamping force.

Jiggle the leads and in-line connectors at various points and in different directions to detect any intermittent breaks or short circuits in the wiring. Observe the multimeter, test lamp or diagnostic tool while doing this. Check switches, connectors and crimp connections for oxidation, dislodged pins and pin clamping force.

Diagnostic help

The data link from the glow plug control module shall switch high/low inverted from the actiavation link between the EDC16 and glow plug control module.

Checks the glow plug control module for component errors, power supply and grounding.

Checks the glow plugs and their wiring.

Fault diagnosis concerns an electrical fault in connecting leads or in the sensor.

For more information, see also:

- "Read Values" menu for a description of read values.

- "Activate" menu for a description of applications.