# Service bulletin 20NA043

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: 10214197
- Published by NHTSA: 2022\-06\-21
- Manufacturer's number: 20NA043
- Manufacturer's date: 2022\-01\-18
- NHTSA component: EQUIPMENT; FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:MANIFOLD PRESSURE \(MAP\) SENSOR

## NHTSA's summary

This informational bulletin advises the technician to not replace the TMAP sensor, clean it using air or harsh chemicals but allow time for the sensor to thaw.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2022/MC-10214197-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2022/MC-10214197-9999.pdf)

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

## Components

Equipment and accessories, Fuel system, Fuel injection

## Vehicles listed

- 2019 CHEVROLET 3500
- 2020 CHEVROLET 3500
- 2021 CHEVROLET 3500
- 2022 CHEVROLET 3500
- 2022 CHEVROLET 5500HD
- 2019 CHEVROLET 6500
- 2022 CHEVROLET 6500HD
- 2017 to 2018 CHEVROLET SILVERADO 1500
- 2017 to 2022 CHEVROLET SILVERADO 2500
- 2019 to 2022 CHEVROLET SILVERADO 3500
- 2019 to 2022 CHEVROLET SILVERADO 4500
- 2019 to 2021 CHEVROLET SILVERADO 5500
- 2019 CHEVROLET SILVERADO 6500
- 2021 to 2022 CHEVROLET SILVERADO 6500
- 2019 CHEVROLET duplicate SILVERADO 5500
- 2017 to 2022 GMC SIERRA 2500
- 2019 to 2022 GMC SIERRA 3500

## Other bulletins for the same vehicles and component

- [N182179090 Messa](/bulletins/10212576.md), 2022-05-31, Service bulletin: FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:INJECTORS; FUEL SYSTEM, GASOLINE. Service Update \(Population Expansion Message\). Certain vehicles may have one or multiple DTCs that are incorrectly illuminating the service engine soon \(SES\) light. Hardware including fuel injectors and exhaust gas recirculation \(EGR\) valves may have been used to fix this issue, however, the condition could return after these repairs were made. There is no effect for vehicle performance.
- [N182179090](/bulletins/10212574.md), 2022-05-31, Service bulletin: FUEL SYSTEM, GASOLINE; FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:INJECTORS; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE \(ECU/ECM\). Service Update. Certain vehicles may have one or multiple DTCs that are incorrectly illuminating the service engine soon \(SES\) light. Hardware including fuel injectors and exhaust gas recirculation \(EGR\) valves may have been used to fix this issue, however, the condition could return after these repairs were made. There is no effect for vehicle performance.
- [22\-NA\-087](/bulletins/10211935.md), 2022-05-18, Service bulletin: FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:INJECTORS; ENGINE. This technical bulletin provides a procedure to replace the fuel injector and the wiring harness to correct a customer concern of Malfunction Indicator Lamp \(MIL\) Illuminated with DTC P0201, P0202, P0203, P0204, P0205, P0206 and/or P0216 Set.
- [04\-06\-04\-051F](/bulletins/10209734.md), 2022-04-05, Service bulletin: FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM; EQUIPMENT:MECHANICAL. This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive.
- [20NA197](/bulletins/10184492.md), 2020-12-21, Service bulletin: EQUIPMENT; FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:FUEL RAIL. This technical bulletin provides a procedure to inspect and repair the fuel pressure sensor if found the cause of the customers concern.
- [20NA098](/bulletins/10176632.md), 2020-06-22, Service bulletin: ENGINE; FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:INJECTORS. This informational bulletin explains to the tech on how to order a new fuel injector by matching the part number on the part and ordering it from the EPC.
- [16NA383](/bulletins/10176607.md), 2020-06-22, Service bulletin: ENGINE; FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM; EQUIPMENT ADAPTIVE/MOBILITY. This technical bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier fuels should be used to reduce carbon build\-up.
- [16NA383](/bulletins/10171878.md), 2020-03-02, Service bulletin: EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT; FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM. This informational bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier fuels should be used to reduce carbon build\-up.
- [16\-NA\-383](/bulletins/10137635.md), 2018-05-21, Service bulletin: EQUIPMENT; FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:INJECTORS. This informational bulletin advises of a new fuel injection kit used for decarbonizing the intake valves, and explains how toptier fuels should be used to reduce carbon build up.
- [04\-06\-04\-051E](/bulletins/10137621.md), 2018-05-21, Service bulletin: EQUIPMENT; FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:INJECTORS. This informational bulletin provides information for maintenance cleaning of the fuel injectors.

JSON: [/v1/bulletins/10214197](/v1/bulletins/10214197)

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