Diagnostic Test

WARNING: This page is about a different car, the 2011 RAM Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.

CHECK FOR A DTC C1235 - DRIVE TEST: TEST ACTIVE
NOTE:
This DTC must be active for the results of this test to be valid.
1. Turn the ignition on.
2. With the scan tool, read and record DTCs.
3. With the scan tool, read and record Freeze Frame information.
4. Perform ECU initialization with drive test. Refer to Perform ABS VERIFICATION TEST. Refer to ABS VERIFICATION TEST .
  NOTE:
  Drive test must be performed correctly for ECU to initialize.
5. With the scan tool, erase DTCs.
6. Start the engine.
7. With the scan tool, read and record DTCs.
  Does the scan tool display: C1235 - DRIVE TEST: TEST ACTIVE?
  
  Yes
  - Go To 2.
  No
  - Perform the ABS INTERMITTENT CONDITION diagnostic procedure. Refer to ABS INTERMITTENT CONDITION .
DRIVE TEST ACTIVATED BUT NOT RUN
1. With scan tool rerun drive test.
  WAS DRIVE TEST COMPLETED?
  
  Yes
  - Replace the Anti-Lock Brake Module in accordance with the Service Information.
  - Perform ABS VERIFICATION TEST. Refer to ABS VERIFICATION TEST .
  No
  - Rerun drive test.