# Service bulletin S2108000072

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: 10220889
- Published by NHTSA: 2022\-09\-26
- Manufacturer's number: S2108000072
- Manufacturer's date: 2021\-03\-17
- NHTSA component: ELECTRICAL SYSTEM

## NHTSA's summary

MIL \(Malfunction Indicator Lamp\) On, DTC P0073 Ambient Air Temperature Sensor Circuit High, B1029\-12 External Temperature Sensor\-Circuit Short To Battery

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2021/MC-10220889-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2021/MC-10220889-9999.pdf)

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

## Components

Electrical system

## Trouble codes named

B1029, P0073

## Vehicles listed

- 2021 RAM PROMASTER CITY

## Other bulletins for the same vehicles and component

- [S2508000102](/bulletins/11025515.md), 2025-11-13, Service bulletin: ELECTRICAL SYSTEM. Intermittent Uconnect Box Requires Service Message. TBM Setting Stored Or Pending DTCs B22A9, B1560, B1561, B1562
- [S2008000088 REV.A](/bulletins/11017878.md), 2025-05-06, Service bulletin: ELECTRICAL SYSTEM. Replacement BCM Will Not Proxi Align
- [S1408000384](/bulletins/10251783.md), 2024-03-18, Service bulletin: ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Start Stop Charging Warning Lamp Illuminated On, Intelligent Battery Sensor \(IBS\) State of Charge \(SOC\) Inaccurate, Battery Charging Message, Presence of IBS related Diagnostic Trouble Codes \(DTCs\), or Battery Warning Lamp On
- [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.
- [S1408000384](/bulletins/10234420.md), 2023-04-17, Service bulletin: ELECTRICAL SYSTEM. Start Stop Charging Warning Lamp Illuminated On, Intelligent Battery Sensor \(IBS\) State of Charge \(SOC\) Inaccurate, Battery Charging Message, Presence of IBS related Diagnostic Trouble Codes \(DTCs\), or Battery Warning Lamp On
- [9100008](/bulletins/10230405.md), 2023-01-17, Service bulletin: ELECTRICAL SYSTEM. Telematic box module 2
- [S2108000163](/bulletins/10230183.md), 2023-01-17, Service bulletin: ELECTRICAL SYSTEM. No Start, Cannot Complete Module Replace, Proxi Or Module Proxi Configuration
- [S1708000118](/bulletins/10229041.md), 2023-01-09, Service bulletin: ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Battery Drain Concern, Dual USB Port Normal Operational Draw, Extended Illumination Or Extended Operation After Key Off
- [S2108000163](/bulletins/10221597.md), 2022-09-26, Service bulletin: ELECTRICAL SYSTEM. No Start, Cannot Complete Module Replace, Proxi Or Module Proxi Configuration

JSON: [/v1/bulletins/10220889](/v1/bulletins/10220889)

[Report an error on this page](https://github.com/wenmar-pro/wenmar-open/issues/new?template=data_correction.yml&title=Data%20correction%3A%20Service%20bulletin%20S2108000072&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F10220889&vehicle=Service%20bulletin%20S2108000072)