# Service bulletin 1805421

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: 10221328
- Published by NHTSA: 2022\-09\-26
- Manufacturer's number: 1805421
- Manufacturer's date: 2021\-06\-09
- NHTSA component: FUEL SYSTEM, DIESEL:DELIVERY:FUEL PUMP

## NHTSA's summary

Diesel Fuel Pump Failure and System Contamination This bulletin involves inspecting for fuel pump failure and fuel system contamination. Also fuel system cleaning and fuel system kit replacement. Customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation the technician may find that one or more of the following Diagnostic Trouble Codes \(DTCs\) have been set: P0087\-00 \- Fuel Rail Pressure Too Low. P008A\-00 \- Low Pressure Fuel System Pressure \- Too Low. P0201\-00 \- Fuel Injector 1 Circuit/Open. P0202\-00 \- Fuel Injector 2 Circuit/Open. P0203\-00 \- Fuel Injector 3 Circuit/Open. P0204\-00 \- Fuel Injector 4 Circuit/Open. P0205\-00 \- Fuel Injector 5 Circuit/Open. P0206\-00 \- Fuel Injector 6 Circuit/Open. The customer may also notice the following:Engine will not start.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2021/MC-10221328-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2021/MC-10221328-9999.pdf)

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

## Components

Fuel system, Fuel pump

## Trouble codes named

P0087, P008A, P0201, P0202, P0203, P0204, P0205, P0206

## Vehicles listed

- 2019 to 2020 RAM 2500
- 2019 to 2020 RAM 3500
- 2019 to 2020 RAM 4500
- 2019 to 2020 RAM 5500

## Recalls for the same vehicles and component

- [21V880000](/recalls/nhtsa/21V880000.md), 2021-11-12: FUEL SYSTEM, DIESEL:DELIVERY:FUEL PUMP

## Other bulletins for the same vehicles and component

- [74912](/bulletins/10223473.md), 2022-10-17, Service bulletin: FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP; FUEL SYSTEM, GASOLINE. Fast Feedback Program \- 6.7L Cummins Engine \- 2019 \- 2022 HD Ram \& Fuel Injection Pump \- All Models \(Rev. G\)
- [18\-099\-22](/bulletins/10214624.md), 2022-06-27, Service bulletin: FUEL SYSTEM, DIESEL:DELIVERY:FUEL PUMP; EXTERIOR LIGHTING; EQUIPMENT; FUEL SYSTEM, DIESEL:FUEL INJECTION SYSTEM:FUEL RAIL. Diesel Fuel Pump Failure and System Contamination This bulletin involves inspecting for fuel pump failure and fuel system contamination. Also fuel system cleaning and fuel system kit replacement. Customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation the technician may find that one or more of the following Diagnostic Trouble Codes \(DTCs\) have been set: P0087\-00 \- Fuel Rail Pressure Too Low. P008A\-00 \- Low Pressure Fuel System Pressure \- Too Low. P0201\-00 \- Fuel Injector 1 Circuit/Open. P0202\-00 \- Fuel Injector 2 Circuit/Open. P0203\-00 \- Fuel Injector 3 Circuit/Open. P0204\-00 \- Fuel Injector 4 Circuit/Open. P0205\-00 \- Fuel Injector 5 Circuit/Open. P0206\-00 \- Fuel Injector 6 Circuit/Open. The customer may also notice the following:Engine will not start.

JSON: [/v1/bulletins/10221328](/v1/bulletins/10221328)

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