Diagnostic Test

WARNING: This page is about a different car, the 2015 RAM 3500 HD and 2015 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
- Replace the Powertrain Control Module in accordance with the service information.
- Perform the POWERTRAIN VERIFICATION TEST - 6.7L. Refer to POWERTRAIN VERIFICATION TEST - 6.7L .