Question about 2009 Chevrolet HHR 2.4

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What does my check engine light trouble code $7e8 mean?

$7EA OBDii code is also displayed

Posted by Anonymous on


2 Answers

larry smith

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  • Expert
  • 32 Answers

That is what they call a "generic" code. Some OBD11 or OBD2, "same thing", scanners will give a $7E8 and $7EA. together and maybe a $7E9.
These are for a sub menu. Click on each one separately and you should or might get a regular "P0" code if your scanner
has the supported module. If not either get a better scanner or
go to a "big box" auto parts store and they will scan it for free and
should be able to give you more information.
Please comment or feedback if helpful.

Posted on Aug 05, 2016


carl blood sr

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  • Chevrolet Master
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NO SUCH PROBLEM CODE! It will start with po or p.

Posted on Sep 01, 2014


5 Related Answers


Robert Kuras

  • 13 Answers


P0014 - Exhaust Camshaft Position System Performance
P0973 - Shift Solenoid A Control Circuit Low
P0700 - Transmission Control System Malfunction

Posted on Dec 19, 2013


Ronny Bennett Sr.

  • 6927 Answers

SOURCE: 1999 Chevy Metro 1.0 L OBDII CODE P420. NEW O2

The o2 is just reporting information,it did not mean that it was bad,there is either restriction,in the cat,or there is a contamination in the fuel,an additive might clear it up,maybe.

Posted on Jan 19, 2010

raj somaiya

  • 5370 Answers

SOURCE: We have a 1999 Lumina

P1810- TFP valve position switch circuit .Its a transmission related error code. When the PCM detects an invalid state of the TFP manual valve position switch circuit by deciphering the TFP manual valve position switch inputs, then DTC P1810 comes up. ------- There are few parts that has to be checked. TFP manual valve switch,the PCM,the transmission fluid level,The transmission circuit and its communication.--------- This will help.Thanks.Helpmech.

Posted on Dec 10, 2010


  • 32 Answers

SOURCE: po452 trouble code changed sensor engine light

you might try unhooking the battiey for 20min both + and - posties cuz that will force the computor to have to resest only if you have addressied the fuel pressure problem which taht would most likly be your filter which isn't all that much

Posted on Sep 21, 2009

Venkataiah Kaluva

  • 169 Answers

SOURCE: check engine light comes on with no trouble codes

Is it possible to have any kind of engine or emission related fault codes but not have a Check Engine Light come on? Thanks.

Posted on Jul 26, 2012

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