Electronic Power Control (EPC) Warning Lamp -K132-, Testing

EPC Warning Lamp (Fault Light For Power Accelerator Activation) -K132-, Checking

NOTE: The fault light for power accelerator activation -K132- is also called the EPC warning lamp.

Special tools and equipment






- VAG1594A






- VAG1598/31

Function test of warning lamp
- Switch ignition on.
- EPC warning lamp must light up.

A - EPC warning lamp (fault light for power accelerator activation) -K132- does not light up

- Connect VAG1598/31 test box at wiring harness to ECM, do not connect ECM. Wiring and Component Testing Using VAG1598/31 Test Box
- Bridge sockets 1 and 48 of test box.
- Switch ignition on.
- Warning lamp must light up.

If warning lamp does not light up:
- Switch ignition off.

- Check the following wire connection for open circuit and short circuit to B+:
- Test box VAG1598/31 Socket - 48 (Instrument cluster)

- Repair open circuit or short circuit if necessary.

If wire connection is OK:
- Replace instrument cluster.

B - EPC warning lamp (fault light for power accelerator activation) -K132- remains lit after engine start

- Check DTC memory of Engine Control Module (ECM).

If no DTCs are stored:
- Connect VAG1598/31 test box at wiring harness to ECM, do not connect ECM. Wiring and Component Testing Using VAG1598/31 Test Box
- Check the following wire connection for short circuit to Ground (GND):
- Test box VAG1598/31 Socket - 48 (Instrument cluster)

- Repair short circuit if necessary.

If wire connection is OK:
- Replace instrument cluster.