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Home >> Jeep >> 2021 >> Cherokee Altitude, 4WD >> Repair and Diagnosis (Single Page) >> Steering >> Steering Control Systems >> (Electronic Power Steering (EPS) Module - Electrical Diagnostics) >> DTC Troubleshooting >> C15CA-00-Brake System Module - Event Information >> Diagnostic Test
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Diagnostic Test

  1. CHECK IF ABS DTCS ARE PRESENT 
    1. With the scan tool, read the DTCs in the ABS Module.

      Are there any ABS DTCs present?

      Yes 

      No 

      • Go To  2
  2. VERIFY THE DTC IS ACTIVE 
    NOTE:

    This DTC must be active for the results of this test to be valid.

    1. Ignition on.
    2. With the scan tool, read DTCs and record on vehicle work order.
    3. With the scan tool, erase DTCs.
    4. Start the engine and run for two minutes.
    5. Turn the steering wheel from stop to stop and back to center.
    6. With the scan tool, read the EPS DTCs.

      Is the DTC active at this time?

      Yes 

      • Replace the Electric Power Steering (EPS) Module in accordance with Service Information. Refer to GEAR, REMOVAL .
      • Perform the EPS VERIFICATION TEST. Refer to EPS VERIFICATION TEST  .

      No 

      • The condition or conditions that originally set this DTC are not present at this time. Using the appropriate SYSTEM WIRING DIAGRAMS as a guide, check all related splices and connectors for signs of water intrusion, corrosion, pushed out or bent terminals, and correct pin tension and repair as necessary. If no problems are found, test complete.
      • Perform the EPS VERIFICATION TEST. Refer to EPS VERIFICATION TEST  .