# X431 Diagnostic Trouble Code - Diagnostic Question

**URL:** https://community.electricforum.com/t/x431-diagnostic-trouble-code-diagnostic-question/2142
**Category:** EV Small Talk
**Created:** [March 19, 2012, 1:44am UTC](https://community.electricforum.com/t/x431-diagnostic-trouble-code-diagnostic-question/2142 "2012-03-19T01:44:22Z")
**Posts on this page:** 1
**Page:** 1

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### Author: ![aaron936251](https://avatars.discourse-cdn.com/v4/letter/a/9fc29f/32.png) [@aaron936251](https://community.electricforum.com/u/aaron936251)
#### Post date: [March 19, 2012, 1:44am UTC](https://community.electricforum.com/t/x431-diagnostic-trouble-code-diagnostic-question/2142/1 "2012-03-19T01:44:22Z")

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The Fault light of my Chevrolet Cruze was illuminated,it is diagnosed by LAUNCH X431 detector，The fault code is

p1340[c0，0，13，40],The equipment used to detect is this.

![](http://www.obd2master.com/images/v/201105/b/13055287945.jpg)

What is the fault?