Diagnostic Test
WARNING: This page is about a different car, the 2017 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
- OTHER DTCS PRESENT
- Turn the ignition on.
- With the scan tool, read DTCs.
Are either of the Exhaust Temperature Sensor 1/4 Low or High DTCs present?
Yes
- Repair the other DTCs before proceeding.
- Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
No
- Go To 2
- EXHAUST TEMPERATURE SENSOR 1/4
- Remove the Exhaust Temperature Sensor 1/4 and reconnect the harness connector to the sensor. Monitor the scan tool, while heating the sensor with an external heat source (DO NOT USE OPEN FLAME).
Does the reading from the sensor increase at least 5°F on the scan tool?
Yes
- Perform the INTERMITTENT CONDITION diagnostic procedure. Refer to INTERMITTENT CONDITION .
No
- Replace the Exhaust Temperature Sensor 1/4 in accordance with the service information.
- Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
- Remove the Exhaust Temperature Sensor 1/4 and reconnect the harness connector to the sensor. Monitor the scan tool, while heating the sensor with an external heat source (DO NOT USE OPEN FLAME).