# Service bulletin TSB210264\-120620

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: 10206506
- Published by NHTSA: 2022\-01\-18
- Manufacturer's number: TSB210264\-120620
- Manufacturer's date: 2021\-12\-06
- NHTSA component: EQUIPMENT; ENGINE AND ENGINE COOLING

## NHTSA's summary

This Technical Service Bulletin describes the verification and resolution of incorrect tuning of the knock sensor circuit in the ECM calibration code which may cause an active in inactive Fault Code 572 and/or 575.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2021/MC-10206506-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2021/MC-10206506-9999.pdf)

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

## Components

Engine, Equipment and accessories

## Vehicles listed

- CUMMINS ISX12

JSON: [/v1/bulletins/10206506](/v1/bulletins/10206506)

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