DTC CHECK / CLEAR 1. CHECK DTC (a) Connect the Techstream to the DLC3. (b) Turn the ignition switch ON. (c) Turn the Techstream on. (d) Enter the following menus: Body Electrical / Air conditioner / Trouble Codes. (e) Check for DTCs. 2. CLEAR DTC (a) Connect the Techstream to the DLC3. (b) Turn the ignition switch ON. (c) Turn the Techstream on. (d) Enter the following menus: Body Electrical / Air conditioner / Trouble Codes. (e) Clear the DTCs. |
Toyota Tundra Service Manual > Touch Select 2-4 And High-low System: Lost Communication with ECM / PCM "A" (U0100,U0122)
DESCRIPTION This DTC is detected if communication is lost between the ECM and skid control ECU. DTC Code DTC Detection Condition Diagnosis Condition Malfunction Status Malfunction Time Other Trouble Area U0100 Ignition switch ON Communication is lost between ECM and 4 wheel drive control ECU 5 secon ...
