Diagnostic Test

WARNING: This page is about a different car, the 2020 Jeep Renegade. However, it is still accessible from the selected car via links, so may be relevant.

CHECK FOR AN ACTIVE DTC
NOTE:
This DTC must be active for the results of this test to be valid.
1. Perform any Service Bulletins that may apply.
2. Turn the ignition on.
3. With the scan tool, read ABS DTCs and record on the repair order.
4. With the scan tool, read and record Environmental Data.
5. With the scan tool, erase ABS DTCs.
6. Start the engine.
7. Press and release the brake pedal.
8. With the scan tool, read ABS DTCs.
  Did the DTC return?
  
  Yes
  - Go To 2
  No
  - Perform the ABS-INTERMITTENT CONDITION TEST. Refer to ABS INTERMITTENT CONDITION .
ANTI-LOCK BRAKE SYSTEM (ABS)
NOTE:
Check with customer on driving terrain (e.g. mud, snow, ice) for set condition.
1. Visually inspect the ABS Module wiring.
2. Visually inspect the braking system.
  Were any problems found?
  
  Yes
  - Repair as necessary.
  - Perform the ABS VERIFICATION TEST. Refer to ABS VERIFICATION TEST .
  No
  - Go To 3
HYDRAULIC CONTROL UNIT (HCU)
1. Replace the Hydraulic Control Unit (HCU) in accordance with the Service Information. Refer to INTEGRATED CONTROL UNIT (ICU), REMOVAL AND INSTALLATION . Perform the ABS VERIFICATION TEST. Refer to ABS VERIFICATION TEST .
2. Turn the ignition on.
3. With the scan tool, erase ABS DTCs.
4. Start the engine.
5. Press and release the brake pedal.
6. With the scan tool, read ABS DTCs.
  Did the DTC return?
  
  Yes
  - Replace the Anti-lock Brake System (ABS) Module in accordance with the Service Information. Refer to MODULE, ANTI-LOCK BRAKE SYSTEM (ABS), REMOVAL AND INSTALLATION .
  - Perform the ABS VERIFICATION TEST. Refer to ABS VERIFICATION TEST .
  No
  - Test Complete.