NHTSA ID Number: 11019452
Manufacturer Communication Number: S2509000006
TSB/Document Date: 2025-06-11
Summary
Mil-On/Check Engine Lamp (CEL)-On
Case Number: S2509000006
Release Date: June 2025
Symptom/Vehicle Issue: Mil-On/Check Engine Lamp (CEL)-On
Customer Complaint/Technician Observation: The customer’s complaint may
include a Mil-on/CEL-on condition. Upon further investigation, they may be a DTC for
P06DD-00-Engine Oil Pressure Control Circuit Performance/Stuck Off in the
Powertrain Control Module (PCM).
Discussion: Perform the published diagnostic routine for the DTC mentioned above.
If the routine leads to a possible mechanical/actual low oil pressure condition, perform
the following inspection before replacing the oil pump. When at the step in the
diagnostics with the oil pan removed, while checking for anything that could restrict oil
flow or cause low oil pressure, be sure to inspect the piston oil cooling jets for missing
parts. The jets are located at the bottom of EACH cylinder (6 total), secured to the
block with one fastener (Fig. 1 shows location AND a “bad” jet).
Fig. 1
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
Stellantis US LLC
Version 4.5 06/08/2022
The picture below (Fig. 2) shows the difference between a “good” jet and a “bad” jet.
Fig. 2
Endcap In Place = GOOD
Endcap/Internals Missing = BAD
Missing jet endcaps/internals can cause a loss of oil pressure sufficient enough to set a
P06DD. Any faulty jet assemblies found should be replaced.
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
Stellantis US LLC
Version 4.5 06/08/2022
If all of the piston oil cooling jets have passed inspection, make sure to perform this
final inspection before proceeding with oil pump replacement.
Check the oil pump drive sprocket that rides on the crankshaft for a crack that could
cause a loss of tension for the sprocket on the crank, leading to a loss of drive to the oil
pump (Fig. 1). Perform a preliminary inspection by attempting to rotate the sprocket by
hand. If the sprocket moves on the crank by hand, it is likely cracked, and the long
block will need to be replaced.
If unable to move the sprocket by hand, perform a thorough inspection of the sprocket
by looking for a crack that would appear between the sprocket teeth (in the valley,
between the teeth). Cleaning the sprocket with brake cleaner and shop air may help to
make the crack easier to see. Also, check the entire circumference of the sprocket to
be sure it is not damaged. If a cracked sprocket is found, replace the long block.
Fig. 1
Crack
If no cracks are found in the sprocket, replace the oil pump.
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
Stellantis US LLC
Version 4.5 06/08/2022
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TSB/Document ID: S2509000006
Replacement Service Bulletin Number:
MFR Communication Date: 2025-06-08
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: ENGINE
MFR Component System: Oil cooling jet
MFR Component Subsystem:
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