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.
ACTIVE DTC
- Ignition on, engine not running.
- With the scan tool check for active DTCs.
Is the DTC active?
Yes
- Replace the NOx Sensor 1/1 in accordance with the service information. Refer to SENSOR, NOX, REMOVAL
.NOTE:
If DTCs P2202, P220A, or U029D are present, perform the diagnostic for those DTCs before replacing the Nox Sensor.
No
- Perform the INTERMITTENT CONDITION diagnostic procedure. Refer to INTERMITTENT CONDITION .
- Replace the NOx Sensor 1/1 in accordance with the service information. Refer to SENSOR, NOX, REMOVAL
.