# Service bulletin 9004343

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: 10215835
- Published by NHTSA: 2022\-07\-18
- Manufacturer's number: 9004343
- Manufacturer's date: 2021\-01\-20
- NHTSA component: EQUIPMENT; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE \(EGR VALVE\); EQUIPMENT ADAPTIVE/MOBILITY

## NHTSA's summary

VALVE, HIGH PRESSURE EGR If you are replacing the high pressure EGR valve \(68490212A$\) due to DTC P0407 or P0408 please refer to all published service information regarding proper diagnosis before proceeding. These DTCs are for the low pressure EGR system.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2021/MC-10215835-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2021/MC-10215835-9999.pdf)

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

## Components

Engine, Equipment and accessories, Exhaust and emissions, EGR valve

## Trouble codes named

P0407, P0408

## Vehicles listed

- 2020 to 2021 JEEP WRANGLER
- 2020 to 2021 RAM 1500

## Other bulletins for the same vehicles and component

- [9004345](/bulletins/10215836.md), 2022-07-18, Service bulletin: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE \(EGR VALVE\); EQUIPMENT; ENGINE AND ENGINE COOLING; EQUIPMENT ADAPTIVE/MOBILITY. COOLER, EGR If you are replacing the high pressure EGR cooler \(p/n 68490113A$\) for a suspected internal coolant leak that was detected by wetness in the EGR pipe or valve, please perform proper cooling system pressure test first to verify the leak. Refer to all published service information regarding Cooling Diagnosis and Testing \(LEAK TESTING\) before proceeding.
- [S2025000005](/bulletins/10177470.md), 2020-07-27, Service bulletin: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE \(EGR VALVE\). Malfunction Indicator Lamp \(MIL\) Illumination. Diagnostic Trouble Codes P0407 ? EGR Sensor B Circuit Low, or P0408 ? EGR Sensor B Circuit High Set

JSON: [/v1/bulletins/10215835](/v1/bulletins/10215835)

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