Diesel Data: Automotive Repair

Reading and Clearing Diagnostic Trouble Codes





ENGINE IMMOBILIZER: ENGINE IMMOBILIZER SYSTEM: DTC CHECK / CLEAR

1. CHECK DTC

(a) Connect the Techstream to the DLC3.

(b) Turn the ignition switch ON.

(c) Read the DTCs by following the directions on the tester's screen.

2. CLEAR DTC

(a) Connect the Techstream to the DLC3.

(b) Turn the ignition switch ON.

(c) Erase the DTCs by following the directions on the tester's screen.