Technical Service Bulletin OTHERDOC_147 — 2026 RAM 2500
ELECTRICAL SYSTEM
Bulletin Details
| TSB ID | OTHERDOC_147 |
| Manufacturer | |
| Vehicle | 2026 RAM 2500 |
| Component | ELECTRICAL SYSTEM |
| Communication Date |
Bulletin Summary
Powertrain Contol Module Over The Air Update to V2B (Diesel Only) Software Version (FOTA) 2025 - 2026 (DJ) RAM 2500 Pickup 2025 - 2026 (D2) RAM 3500 Pickup 2025 - 2026 (DD) RAM 3500 Cab Chassis 2025 - 2026 (DF) RAM 3500 10K Lb. Cab Chassis2025 - 2026 (DP) RAM 4500/5500 Cab Chassis Customers may experience one or more of the following: - Power Inverter (110V connection) drops out when shifting from P to D - DEF (Diesel Exhaust Fluid) level gauge inaccuracy - Poor cold start performance - Instrument Panel Cluste MIL (Malfunction Indicator Light) ON; Possible P-codes: P0087/P2540/P2543 Fuel Pressure P214D/P242B SCR Temperature P24DA PM Sensor P20EE SCR Efficiency P226C/P2281 Mass Charge Flow P229F System Outlet NOx Sensor P0100 MAF Sensor P203F DEF Level P0423 DOC Efficiency
About Technical Service Bulletins
A Technical Service Bulletin (TSB) is a document issued by a vehicle manufacturer to its dealers, describing a known issue with a specific vehicle or set of vehicles and the recommended procedure to fix it. Unlike recalls, TSBs are not mandatory and are typically only performed if an owner reports the related issue. However, TSBs can be an indicator of common problems with a vehicle.
Other TSBs for the 2026 RAM 2500
08-018-26
ELECTRICAL SYSTEM
21-007-26
POWER TRAIN
18-101-25
UNKNOWN OR OTHER
S2508000099
ELECTRICAL SYSTEM
21-046-25
POWER TRAIN
08-329-25 REV. A
ELECTRICAL SYSTEM
08-329-25
ELECTRICAL SYSTEM
S2323000020 REV.B
ELECTRICAL SYSTEM