2021-2025 Jeep/RAM Misfire DTCs & Valvetrain Noise TSB
Stellantis Technical Service Bulletin 09-011-25 details common misfire diagnostic trouble codes (P0301-P0306), rough idle, and valvetrain noise in 2021-2025 Jeep, RAM, Dodge, and Chrysler vehicles equipped with 3.6L V6 engines. The issue is linked to worn camshaft and rocker arm components.
Ahmet Topcu2022 Jeep Wrangler
S'applique également à
- Jeep Gladiator
- 2021–2025
- Jeep Grand Cherokee
- 2021–2025
- Jeep Grand Cherokee L
- 2021–2025
- Jeep Wrangler
- 2021, 2023, 2024, 2025
- Dodge Durango
- 2021–2025
- Ram 1500
- 2021–2025
Owners of various 2021-2025 Stellantis vehicles, including the Jeep Wrangler misfire DTCs issue, may encounter a range of engine performance problems. Technical Service Bulletin (TSB) 09-011-25 addresses common complaints such as a lit Malfunction Indicator Lamp (MIL), rough engine idle, and noticeable valvetrain noise. These issues are often accompanied by specific diagnostic trouble codes (DTCs) related to cylinder misfires.
This TSB, issued on May 17, 2025, highlights a manufacturing issue that can lead to premature wear in critical engine components. Understanding the symptoms and the underlying cause can help vehicle owners address these concerns effectively.
Important Warning
It is crucial for owners to understand that TSB 09-011-25 is provided as technical information only and is not an authorization for repair. This means that while it identifies a known issue and a recommended repair procedure for technicians, it does not automatically guarantee a free repair under warranty or otherwise. Owners should consult their dealership for specific warranty coverage and repair options.
Symptoms
Customers may observe several indicators that point to the issues described in TSB 09-011-25. The most common symptom is a
Frequently Asked Questions
- What are the common symptoms of this issue?
- Owners may experience a "Malfunction Indicator Lamp (MIL) illumination" on their dashboard, along with a "Rough idle" and "Valvetrain noise." These symptoms are often accompanied by specific diagnostic trouble codes.
- Which specific DTCs are related to this TSB?
- The TSB lists several misfire diagnostic trouble codes, including P0301 - Cylinder 1 Misfire, P0302 - Cylinder 2 Misfire, P0303 - Cylinder 3 Misfire, P0304 - Cylinder 4 Misfire, P0305 - Cylinder 5 Misfire, and P0306 - Cylinder 6 Misfire.
- What is the cause of the misfire and valvetrain noise?
- The TSB identifies a manufacturing issue related to worn intake camshaft high lift lobe(s) and/or intake rocker arm(s) high lift slider wear. This wear typically occurs between 10,000 and 60,000 miles.
- How is this issue typically repaired?
- Instead of replacing the complete engine, the recommended repair involves using a special service kit. These kits, with part numbers 68661147AB (Right Intake) and/or 68661146AA (Left Intake), contain the necessary intake cam, rocker arms, sealer, and gaskets.
- Does TSB 09-011-25 authorize a free repair?
- No, TSB 09-011-25 is explicitly stated as "Information Only" and "not an authorization for repair." Owners should discuss potential costs and warranty coverage with their Stellantis dealership.
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