DTC CHECK / CLEAR 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: Powertrain / Cruise Control / Trouble Codes. (e) Check for DTCs. 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: Powertrain / Cruise Control / Trouble Codes. (e) Clear the DTCs. |
Toyota Tundra Service Manual > Can Communication System: ECU Malfunction (B1003)
DESCRIPTION DTC No. Detection Item DTC Detection Condition Trouble Area B1003 ECU Malfunction A malfunction in the non-volatile storage of the central gateway ECU (network gateway ECU) is detected. Central gateway ECU (network gateway ECU) PROCEDURE 1. RECONFIRM DTC OUTPUT (a) Connect the Techstream ...
