VEHICLE STABILITY CONTROL SYSTEM, Diagnostic DTC:C1224

DTC Code DTC Name
C1224 NE Signal

DESCRIPTION

The skid control ECU (brake actuator assembly) receives engine speed signals from the ECM via CAN communication.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

Note

C1224

NE Signal

The vehicle speed is 6 km/h (4 mph) or more, the +BS terminal voltage is between 9.6 and 16.5 V, and the engine speed signal is more than 12800 rpm for 2.5 seconds or more.

  • CAN communication system

  • ECM

Tire pressure warning light (w/ tire pressure warning system) blinks for 63 seconds and then remains on.

PROCEDURE

  1. CHECK CAN COMMUNICATION SYSTEM

    1. Check if CAN communication system DTCs are output.

      Click hereClick here

    Result

    Result

    Proceed to

    DTCs are not output.

    A

    DTCs are output.

    B
    B

    INSPECT CAN COMMUNICATION SYSTEM

    Click hereClick here

    A

  2. CHECK SFI SYSTEM

    1. Check if SFI system DTCs are output.

      for 1KR-FE:Click here

      for 1PP:Click here

      Powertrain > Engine and ECT > Trouble Codes

    Result

    Result

    Proceed to

    DTCs are not output.

    A

    DTCs are output.

    B
    A

    REPLACE ECM

    for 1KR-FE:Click here

    for 1PP:Click here

    B

    INSPECT SFI SYSTEM

    for 1KR-FE:Click here

    for 1PP:Click here