Diagnostic Test
WARNING: This page is about a different car, the 2013 RAM 3500 HD and 2013 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
- INCORRECT TIRES PROGRAMMED INTO BCM
- Inspect all four tires on the vehicle and note the size of each tire.NOTE:
A non-production size tire cannot be programmed into the BCM. The production Powertrain, with the production size tires, is the only emissions certified configuration that is available for reprogramming.
- Verify the correct Tire/wheel information is programmed in the BCM.
Is the correct value programmed in the BCM?
Yes
- Go To 2
No
- Program the correct Tire/Wheel information in the BCM.
- Perform the ABS VERIFICATION TEST. Refer to STANDARD PROCEDURE .
- Inspect all four tires on the vehicle and note the size of each tire.
- PERFORM ABS MODULE INITIALIZATION
- Turn the ignition on.
- With the scan tool, read and record the ABS DTCs.WARNING:
To avoid possible serious or fatal injury, check brake capability is available before road testing.
- Perform the ABS Module initialization, Perform the ABS VERIFICATION TEST. Refer to STANDARD PROCEDURE .NOTE:
The ABS Module Initialization process must include driving the vehicle into a 90° turn.
- Park the vehicle.
- With the scan tool, read the DTCs.
Does the DTC remain active?
Yes
- Perform the ABS Module Initialization routine again, if still unsuccessful.
- Replace the Anti-Lock Brake System (ABS) Module in accordance with the Service Information. Refer to MODULE, ANTI-LOCK BRAKE SYSTEM, REMOVAL .
- Perform the ABS VERIFICATION TEST. Refer to STANDARD PROCEDURE .
No
- Test complete.