With Manufacturer's Scan Tool

Electronic Power Control (EPC) Warning Lamp In Instrument Cluster, Significance

Component location of EPC warning lamp





Functional check:

- Switch on ignition:
EPC warning lamp must light-up.

If the EPC warning lamp does not light-up with ignition switched on:
- Check combi-instrument and EPC warning lamp.

If the EPC warning lamp lights-up with ignition switched on, continue check as follows:
- Start engine and run at idling speed:
EPC warning lamp must go out after one second.

If the EPC warning lamp does not go out:

- Check DTC memory, if necessary, repair any malfunctions and then erase DTC memory.
Reading Diagnostic Trouble Codes
Clearing Diagnostic Trouble Codes

- If DTC memory has been erased or engine control module was disconnected from permanent positive, readiness code must be generated again. Monitors, Trips, Drive Cycles and Readiness Codes