CRUISE CONTROL SYSTEM, Diagnostic DTC:P0575, P1607

DTC Code DTC Name
P0575 Cruise Control Input Circuit
P1607 Cruise Control Input Processor

DESCRIPTION

This DTC indicates the presence of internal abnormalities in the ECM.

DTC Code DTC Detection Condition Trouble Area
P0575

Either condition is met:


  • The cruise control input signal is abnormal.

  • The ECM internal cancel circuit is malfunctioning.

 ECM
P1607

CAUTION / NOTICE / HINT

Tech Tips

The ECM receives signals from each sensor to control all functions of the cruise control system. When a trouble code is detected, the fail-safe function remains on until the ignition switch is turned off.

PROCEDURE


  1. CHECK FOR DTC


    1. Clear the DTCs Click here.

    2. Make sure that the vehicle conditions when the DTC was stored are met.

      Tech Tips

      If the following detection conditions are not met, the system cannot detect malfunctions.


      • Cruise control main switch (ON-OFF switch) on

      • Cruise control is set

      If the cruise control main switch (ON-OFF switch) is on, the DTC will be output even with the vehicle stopped.

    3. Check for DTCs Click here.

      Result
      Result Proceed to
      DTC is not output A
      DTC is output (for 1WW) B
      DTC is output (for 2WW) C

    A

    USE SIMULATION METHOD TO CHECK Click here

    B

    REPLACE ECM Click here

    C

    REPLACE ECM Click here