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Home >> Chrysler >> 2006 >> 300 Base, 42RLE/VLP >> Repair and Diagnosis >> Steering >> Steering Control Systems >> Steering System - Electrical Diagnostics >> Column Electrical Diagnosis >> DTC Troubleshooting >> P1593-Speed Control Switch 1/2 Stuck >> Diagnostic Test

Diagnostic Test

  1. 1)  DTC IS ACTIVE 
    NOTE: If P0562-BATTERY VOLTAGE LOW or P0563-BATTERY VOLTAGE HIGH is set along with this DTC, diagnose the battery voltage DTC first.

    Ignition on, engine not running.

    With the Scan Tool, select View DTCs in the Steering Control Module.

    Is the DTC status Active at this time? 

    Yes 

    1. Go to  2).

    No 

    1. Go to  4).
  2. 2)  SPEED CONTROL SWITCH 

    Turn the ignition off.

    Replace the Speed Control Switch in accordance with the Service Information.

    Turn the ignition on.

    Move the Speed Control Switch to each position several times.

    With the Scan Tool, Clear Stored DTCs in the Steering Control Module.

    With the Scan Tool, select View DTCs in the Steering Control Module.

    Move the Speed Control Switch to each position several times while monitoring the Scan Tool.

    Does this DTC reset? 

    Yes 

    1. Go To  3).

    No 

    1. Test Complete.
  3. 3)  STEERING CONTROL MODULE (SCM) 

    View repair.

    Repair 

    1. Replace the Steering Control Module (SCM) in accordance with the Service Information.
  4. 4)  INTERMITTENT SPEED CONTROL SWITCH 1/2 STUCK DTC 

    The conditions necessary to set this DTC are not present at this time.

    While monitoring the scan tool data relative to this circuit, move the Speed Control Switch to each position several times.

    Look for the DTC to reset while the switch is being moved to each position.

    Were any problems found? 

    Yes 

    1. Repair as necessary.

    No 

    1. Test complete.
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