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Service bulletins for the 2019 Ram 1500

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

1178 on file from NHTSA, as of 2026-10-19.

About C2129 on the 2019 Ram 1500: what the code means, and the bulletins and recalls about the same components.

By type

By component

By trouble code

Only bulletins with trouble code: C2129 are shown. Show all

Bulletins, newest first
S21080000072023-01-17. Service bulletin. STEERING. Increase In Steering Effort After Recent Repairs, DTC?s B210B-00 System Voltage High Or C2129-17 Battery Voltage Circuit Voltage Above Threshold, No Crank, No Start, Stop Start Inoperative
S21080000072022-10-17. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY:VEHICLE CONTROLS:STEERING; STEERING. Increase In Steering Effort After Recent Repairs, DTC?s B210B-00 System Voltage High Or C2129-17 Battery Voltage Circuit Voltage Above Threshold, No Crank, No Start, Stop Start Inoperative
S21080000072022-10-17. Service bulletin. STEERING. Increase In Steering Effort After Recent Repairs, DTC?s B210B-00 System Voltage High Or C2129-17 Battery Voltage Circuit Voltage Above Threshold, No Crank, No Start, Stop Start Inoperative
S2108000007 Rev.2022-07-18. Service bulletin. STEERING. Increase In Steering Effort After Recent Repairs, Recall V04, DTC?s B210B-00 System Voltage High Or C2129-17 Battery Voltage Circuit Voltage Above Threshold
S21080000072022-07-18. Service bulletin. EQUIPMENT; STEERING; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Increase In Steering Effort After Recent Repairs, Recall V04, DTC?s B210B-00 System Voltage High Or C2129-17 Battery Voltage Circuit Voltage Above Threshold
S2108000007 Rev.2021-06-28. Service bulletin. ELECTRICAL SYSTEM. Increase In Steering Effort After Recent Repairs, DTC?s B210B-00 System Voltage High Or C2129-17 Battery Voltage Circuit Voltage Above Threshold, No Crank, No Start, Stop Start Inoperative
S2108000007 Rev.2021-02-16. Service bulletin. ELECTRICAL SYSTEM; STEERING. Increase In Steering Effort After Recent Repairs, Recall V04, DTC?s B210B-00 System Voltage High Or C2129-17 Battery Voltage Circuit Voltage Above Threshold
S21080000072021-02-16. Service bulletin. STEERING. Increase In Steering Effort After Recent Repairs, Recall V04, DTC?s B210B-00 System Voltage High Or C2129-17 Battery Voltage Circuit Voltage Above Threshold

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.