RAM
18-061-26 REV. A
Manufacturer communications
- Publication date
- 2026-07-01
- Received by NHTSA
- 2026-07-08
- NHTSA record numbers
- 11034904
Manufacturer summary
Original wording in English
SA Market Only - Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs):
• **P0088-00 - Fuel Rail Pressure Too High - Bank 1.**
• P0263-00 - Cylinder 1 Contribution/Balance.
• P0266-00 - Cylinder 2 Contribution/Balance.
• P0269-00 - Cylinder 3 Contribution/Balance.
• P0272-00 - Cylinder 4 Contribution/Balance.
• P0275-00 - Cylinder 5 Contribution/Balance.
• P0278-00 - Cylinder 6 Contribution/Balance. Customers may also comment one or more of the following:
• The engine runs rough and exhibits stumbling and shaking.
• Loss of power. NOTE: The perceived loss of power is due to an insufficient injector/torque response. This bulletin involves inspecting and possibly reprogramming the PCM with the latest available software.
• **P0088-00 - Fuel Rail Pressure Too High - Bank 1.**
• P0263-00 - Cylinder 1 Contribution/Balance.
• P0266-00 - Cylinder 2 Contribution/Balance.
• P0269-00 - Cylinder 3 Contribution/Balance.
• P0272-00 - Cylinder 4 Contribution/Balance.
• P0275-00 - Cylinder 5 Contribution/Balance.
• P0278-00 - Cylinder 6 Contribution/Balance. Customers may also comment one or more of the following:
• The engine runs rough and exhibits stumbling and shaking.
• Loss of power. NOTE: The perceived loss of power is due to an insufficient injector/torque response. This bulletin involves inspecting and possibly reprogramming the PCM with the latest available software.
Reported code forms
Manufacturer wording
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
Ram
P0088-00Fuel Rail Pressure Too High - Bank 1Ram
P0263-00Cylinder 1 Contribution/BalanceRam
P0266-00Cylinder 2 Contribution/BalanceRam
P0269-00Cylinder 3 Contribution/BalanceRam
P0272-00Cylinder 4 Contribution/BalanceRam
P0275-00Cylinder 5 Contribution/BalanceRam
P0278-00Cylinder 6 Contribution/BalanceCheck vehicle applicability
A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.