S2008000063

STAR ONLINE PUBLICATION
Case Number: S2008000063
Release Date: 4/30/2020
Symptom/Vehicle Issue: Malfunction Indicator Lamp (MIL) on. Diagnostic Trouble
Codes (DTCs) P2463 – Diesel Particulate Filter Soot Accumulation, and P2453 –
Diesel Particulate Filter Differential Pressure Sensor Circuit Performance Set.
Discussion: If you receive a vehicle in with the above DTCs, please follow normal
published diagnostics for P2453. During diagnosis, pay close attention to the DPF
differential pressure sensor circuits K354, K355, and K951. See (Figure 1) for WK, and
(Figure 2) for DS. Trace each circuits for any opens, high resistance, or loose terminal
pin fit. Especially through any inline connection. Repair as necessary.
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 or eCONTACT ticket if no
solution is found
FCA US LLC
Version 4.2 02/06/2017
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In addition, also trace the PCM ground circuits, for opens, or high resistance. See
(Figure 3) for WK, (Figure 4) for DS. If necessary remove, and clean the ground, and
retest for the DTCs.
NOTE: Once all wiring has been verified, and any repairs have been made, it may
be necessary to perform a Service Regeneration due to DTC P2463.
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 or eCONTACT ticket if no
solution is found
FCA US LLC
Version 4.2 02/06/2017