EDC16 MY07½ / P0380 08
Read the instructions below then
start the fault diagnostic procedure.
Symptom: Fault indicator lamp (for further information see WIS Fault diagnosis, general)
Glow Control Unit Feedback Error
Fault symptom
Fault indicator lamp (for further information see WIS Fault diagnosis, general)
On-board diagnosis
Type of diagnosis:
Enable criteria:
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:
