1, 2 and 3 Digit Codes: 101

Scan Tool 101 (MIL 42):

Trouble Code Number
- Scan tool 101
- General Scan Tool P0220
- MIL 42

Fault Message
- Fuel Pump Relay Control Circuit

Background
- The fuel pump relay controls the battery voltage supplied to the fuel pump.
- The PCM provides a ground path for the fuel pump relay.
- This DTC indicates an open or short circuit condition in the control circuit.

Range of Check
- Battery voltage: 10 V or more
- Ignition switch: ON

Set Condition
- Open or short circuit is detached in the fuel pump relay for 3 seconds.

Probable Cause
- Relay coil open or shorted
- Fuel pump relay control circuit open or shorted Inoperative circuit driver in PCM