# Service bulletin TSB150038\-031715

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: 10088431
- Published by NHTSA: 2017\-01\-12
- Manufacturer's number: TSB150038\-031715
- Manufacturer's date: 2015\-03\-20
- NHTSA component: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE \(EGR VALVE\)

## NHTSA's summary

THIS TECHNICAL SERVICE BULLETIN DESCRIBES THE PROPER TROUBLESHOOTING AND REPAIR STEPS FOR EGR COOLER LEAKS. THIS IS ADDRESS EGR COOLERS THAT ARE ERRONEOUSLY REPLACED DUE TO SIGNS OF MOISTURE IN THE EGR COOLER OR EGR CROSSOVER TUBE AND HARD TO DIAGNOSE LOW COOLANT LEVEL FAULT CODES.

## The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

## Components

Engine, Exhaust and emissions, EGR valve

## Vehicles listed

- CUMMINS ISXL G
- CUMMINS WESTPORT ISX12 G

JSON: [/v1/bulletins/10088431](/v1/bulletins/10088431)

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