Diagnostic Test
WARNING: This page is about a different car, the 2014 RAM 3500 HD and 2014 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
- OTHER DTCS NOTE:
There is no direct circuit input from the Brake switch to the PCM.
- With the scan tool, read DTCs for the BCM and ABS modules.
Are there DTCs for the BCM or ABS present?
Yes
- Perform the diagnostics for those DTCs before proceeding with this one.
No
- Go To 2
- With the scan tool, read DTCs for the BCM and ABS modules.
- POWERTRAIN CONTROL MODULE
- Interview the customer. This fault can be set if the customer coasts to a vehicle speed below 2 mph (3 kph) by using the parking brake or exhaust brake.
Did the customer coast to a near stop without using the service brake?
Yes
- Explain diagnostic operation to customer. Repair complete.
No
- Replace the Powertrain Control Module in accordance with the service information. Refer to MODULE, POWERTRAIN CONTROL, 6.7L DIESEL, REMOVAL .
- Perform the POWERTRAIN VERIFICATION TEST - 6.7L. Refer to POWERTRAIN VERIFICATION TEST - 6.7L .
- Interview the customer. This fault can be set if the customer coasts to a vehicle speed below 2 mph (3 kph) by using the parking brake or exhaust brake.