Case Number: S2309000012
Release Date: November 2023
Symptom/Vehicle Issue: Mil-On/Check Engine Lamp-On with DTC P06DD set in the
powertrain control module (PCM).
Customer Complaint/Technician Observation: The customer’s complaint may
include the Mil-On/Check Engine Lamp-On. Upon further investigation, the DTC
P06DD-ENGINE OIL PRESSURE CONTROL CIRCUIT STUCK OFF may be set in the
PCM.
NOTE: This SOL has been published to temporarily supplement the P06DD diagnostic
procedure, not to replace it. Please use the information below ALONG WITH the
current diagnostic process for P06DD to ensure proper diagnostic application. Read
the current diagnostic procedure and this SOL through completely before beginning
your diagnosis of the vehicle to be sure all steps are understood.
When the diagnostic process for P06DD has been revised in Service Library, this SOL
will be removed from publication.
Discussion: If P06DD is found set in the PCM, please begin with the published
diagnostic procedure. If the procedure leads to step 4 CHECK THE ENGINE
OIL/ENGINE MECHANICAL CONDITION, follow though with the first 2 steps of the
procedure:
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

4. CHECK THE ENGINE OIL/ENGINE MECHANICAL CONDITION
NOTE: Verify that the engine oil is at the proper level and that an OEM specified oil filter is being used.
Review the customers oil change history to make sure that the oil is being changed at the
correct intervals and that the proper oil viscosity is being used.

1. Turn the ignition off.
2. Check for the following but not limited to:





LOW ENGINE OIL LEVEL
CONTAMINATED, DIRTY, AERATED OR DETERIORATED ENGINE OIL
INCORRECT ENGINE OIL VISCOSITY
INCORRECT ENGINE OIL FILTER (DOES NOT MEET OEM SPECIFICATIONS)

NOTE: Make sure to document the condition of the engine oil and include this information
in any requests for diagnostic assistance.

If the diagnostics direct to move forward from this point, perform the steps below to
continue with the process:
a) Start the engine, leave the vehicle in Park.
b) Raise the engine speed to 3000 RPM for 5 seconds, then allow the engine
to return to idle.
c) Repeat step b) 5 times.
d) Let the engine idle for 2 FULL minutes.
e) Turn the engine off.
f) Repeat steps a) through e) 3 times.
g) Perform the POWERTRAIN VERIFICATION TEST. (Refer to 28 DTC
Based Diagnostics/MODULE, Powertrain Control (PCM) Standard
Procedure).
Are there any DTCs or driveability concerns present?
If Yes: Go to step 5 in the diagnostic procedure in Service Library.
If No: Repair is complete.
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