S2218000023

Case Number: S2218000023
Release Date: December 2022
Symptom/Vehicle Issue: Malfunction Indicator Lamp (MIL) Illuminated. Diagnostic
Trouble Code (DTC) U02A3 – Lost Communication With Particulate Matter (PM)
Sensor, Set After PM Sensor Replacement.
Customer Complaint: The technician may encounter a MIL Illumination with DTC
U02A3 set in the Powertrain Control Module (PCM) memory after installing a new PM
sensor. The PM sensor may have been replaced for another issue not related to the
U02A3 DTC.
The cause of the concern may be due to an incorrect variant PM sensor installed on
the vehicle during the repair. If the technician encounters the issue, please perform the
following repair procedure.
Repair Procedure:
1. Gain access to the PM sensor module. For detailed repair procedures, refer to
Service Library Service Information Section 11 – Exhaust System > Sensor,
Particulate Matter > Removal and Installation.
NOTE: It may not be necessary to completely remove the sensor to gain access
to the part number.
2. Record the part number stamped on the PM sensor module.
This document does not authorize warranty repairs. This communication documents a record of past experiences. STAR Online
does not provide any conclusions about what is wrong with the vehicle. Rather, it captures all previous cases known that appear
to be similar or related to the vehicle symptom / condition. You are the expert, and you are responsible for deciding on the
appropriate course of action.
Contact STAR Center, or your Technical Assistance Center Via TechConnect, eCONTACT or Service Library
entry if no solution is found.
Stellantis US LLC
Version 4.5 07/22/2022
3. Refer to (Table 1), was the sensor that was ordered/installed one of the
following part numbers, or does the PM sensor module have one of the part
numbers stamped on it, based on vehicle application?
a. Yes>>> Proceed to (Step 4).
b. No>>> This document no longer applies. Please follow normal published
diagnostics for the concern and repair as necessary.
Vehicle Model
Renegade (BV)
Compass (MP)
Compass (M7)
Cherokee (KL)
Part Number
6000633291
6000633292
6000633291
68620445AA
Table 1
4. Replace the PM sensor again. Refer to (Table 2) and replace the PM sensor
using the correct part number listed for the vehicle application. For detailed
repair procedures, refer to Service Library Service Information Section 11 –
Exhaust System > Sensor, Particulate Matter > Removal and Installation.
Vehicle Model
Renegade (BV)
Compass (MP)
Compass (M7)
Cherokee (KL)
Part Number
46345721
68365997AD
46345721
68328718AD
Table 2
5. Return the incorrect PM sensor to Mopar through the normal parts return
process. Use reason code KQ (stock remediation) to process the return.
This document does not authorize warranty repairs. This communication documents a record of past experiences. STAR Online
does not provide any conclusions about what is wrong with the vehicle. Rather, it captures all previous cases known that appear
to be similar or related to the vehicle symptom / condition. You are the expert, and you are responsible for deciding on the
appropriate course of action.
Contact STAR Center, or your Technical Assistance Center Via TechConnect, eCONTACT or Service Library
entry if no solution is found.
Stellantis US LLC
Version 4.5 07/22/2022