# Service bulletin 21\-008\-14

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.

- Type: Service bulletin
- NHTSA id: 10136993
- Published by NHTSA: 2018\-05\-21
- Manufacturer's number: 21\-008\-14
- Manufacturer's date: 2014\-03\-08
- NHTSA component: POWER TRAIN; ELECTRICAL SYSTEM

## NHTSA's summary

Flash: Transmission Shift Enhancements This bulletin involves selectively erasing and reprogramming the Transmission Control Module \(TCM\) with new software. The customer may indicate that they may have experienced any of the following: Poor heavy throttle downshift response Vehicle does not spend enough time in eighth gear

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2014/MC-10136993-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2014/MC-10136993-0001.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Electrical system, Transmission and driveline

## Vehicles listed

- 2013 RAM 1500

## Recalls for the same vehicles and component

- [2017659](/recalls/tc/2017659.md), 2017-12-21: Powertrain
- [17V821000](/recalls/nhtsa/17V821000.md), 2017-12-20: POWER TRAIN:AUTOMATIC TRANSMISSION:LEVER AND LINKAGE:COLUMN SHIFT
- [2013434](/recalls/tc/2013434.md), 2013-12-06: Powertrain
- [13V610000](/recalls/nhtsa/13V610000.md), 2013-12-06: POWER TRAIN:AUTOMATIC TRANSMISSION

## Other bulletins for the same vehicles and component

- [S1623000028 Rev. K](/bulletins/11033975.md), 2026-06-18, Service bulletin: ELECTRICAL SYSTEM; STRUCTURE:BODY. Outside Power Fold Rearview Mirror Noise Or Loose At Pivot. Mirror Contacts Door Window Glass In The Folded Position.
- [S1623000028 REV.I](/bulletins/11033308.md), 2026-06-03, Service bulletin: ELECTRICAL SYSTEM; STRUCTURE:BODY. Outside Power Fold Rearview Mirror Noise Or Loose At Pivot. Mirror Contacts Door Window Glass In The Folded Position.
- [106241](/bulletins/11021585.md), 2025-08-06, Service bulletin: ELECTRICAL SYSTEM. LAMP \- DOME
- [104974](/bulletins/11019776.md), 2025-06-26, Service bulletin: ELECTRICAL SYSTEM. LAMP \- DOME
- [103774](/bulletins/11017451.md), 2025-05-01, Service bulletin: ELECTRICAL SYSTEM. LAMP \- DOME
- [101232](/bulletins/11010205.md), 2024-11-07, Service bulletin: POWER TRAIN. Plate \- Planetary
- [9100226](/bulletins/10248509.md), 2024-01-08, Service bulletin: ELECTRICAL SYSTEM. Connector kit Before ordering this connector repair kit 68018957A$, check it in the Mopar Connector Repair Kit Website to confirm part number and applicability. There is an error with the wiring diagrams in Service Library that is causing the incorrect repair kit part number to populate. Please use the Mopar Connector Repair Kit Website until this issue is resolved.
- [9100226](/bulletins/10244348.md), 2023-10-30, Service bulletin: ELECTRICAL SYSTEM:WIRING. Connector kit Before ordering this connector repair kit 68018957A$, check it in the Mopar Connector Repair Kit Website to confirm part number and applicability. There is an error with the wiring diagrams in Service Library that is causing the incorrect repair kit part number to populate. Please use the Mopar Connector Repair Kit Website until this issue is resolved.
- [1800114](/bulletins/10231989.md), 2023-02-21, Service bulletin: ELECTRICAL SYSTEM; POWER TRAIN. Powertrain Diagnostic And System Enhancements
- [S1623000028 Rev.](/bulletins/10231735.md), 2023-02-13, Service bulletin: VEHICLE SPEED CONTROL; BACK OVER PREVENTION; POWER TRAIN; VISIBILITY; PARKING BRAKE. Outside Power Fold Rearview Mirror Noise Or Loose At Pivot. Mirror Contacts Door Window Glass In The Folded Position.

JSON: [/v1/bulletins/10136993](/v1/bulletins/10136993)

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