VEHICLE STABILITY CONTROL SYSTEM, Diagnostic DTC:C1201

DTC Code DTC Name
C1201 Engine Control System Malfunction

DESCRIPTION

If a malfunction is detected in the engine control system, the ECM sends a malfunction signal to the skid control ECU. The skid control ECU stores this DTC and prohibits the following controls:

  • VSC

  • TRC

  • Downhill assist control

  • Crawl control

  • Multi-terrain select control

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

C1201

Engine Control System Malfunction

A malfunction signal is received from the ECM.

Engine control system

PROCEDURE

  1. CHECK ENGINE CONTROL SYSTEM

    1. Check if an engine control system DTC is output.

      Result

      Result

      Proceed to

      DTC is not output

      A

      DTC is output (for 1UR-FE w/ EGR System)

      B

      DTC is output (for 1UR-FE w/o EGR System)

      C

      Powertrain > Engine and ECT > Trouble Codes

    A

    REPLACE ECM

    B

    GO TO ENGINE CONTROL SYSTEM (DIAGNOSTIC TROUBLE CODE CHART)

    C

    GO TO ENGINE CONTROL SYSTEM (DIAGNOSTIC TROUBLE CODE CHART)