# Service bulletin TSB130140\-100213

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: 10085570
- Published by NHTSA: 2016\-12\-06
- Manufacturer's number: TSB130140\-100213
- Manufacturer's date: 2013\-10\-02
- NHTSA component: ENGINE

## NHTSA's summary

THIS TECHNICAL SERVICE BULLETIN ADDRESSES FAULT CODE 3911 IN CERTAIN ENGINES INSTALLED IN PETERBILT 320 CHASSIS. THE ROOT CAUSE IS RELATED TO THE VOLTAGE TO THE AMMONIUM HYDROXIDE NH3 SENSOR DIPPING BELOW THE 9 VOLT SPECIFICATION, CAUSING TIME OUT NH3 ERRORS. THE CORRECTIVE ACTION IS CONTAINED IN THE OEM DOCUMENTATION FOR THE FIELD FIX.

## 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

## Vehicles listed

- CUMMINS ISX12

JSON: [/v1/bulletins/10085570](/v1/bulletins/10085570)

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