Check Fault Codes

2010TRX4 · Jan 17, 2012

I have a 2010 Ram with a 5.7 Hemi. Today The check engine light came on and the MDS won't engage. I was wondering if there was a way to check the fault codes like there is in older models by cycling the key.

Thanks

bigbadram1500 · Jan 17, 2012

hmm I'm not sure since I don't have a 4th gen, but will bump for our 4th genners to chime in.

BlackedOutHemi · Jan 17, 2012

Should be the same key trick, turn the key from off to on like 3 times I believe?

LB3711 · Jan 17, 2012

BlackedOutHemi said:
Should be the same key trick, turn the key from off to on like 3 times I believe?

yes it works.

Dumb question for thr OP are you using the 5-20w oil?

2010TRX4 · Jan 17, 2012

Yes, 5/20. I tried cycling the key 3 times earlier today. I will try again in the morning.

Thanks

2010TRX4 · Jan 18, 2012

Tried it again, but couldn't get it to work. I tried it at different speeds but nothing happened. If it does work on the 4th gen, what's the trick?

LB3711 · Jan 18, 2012

ill have to try mine tomorrow and see if it works but I think it does. Dont go to start position. Just on-off-on-off-on and it should work

Check Fault Codes

2010TRX4

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bigbadram1500

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BlackedOutHemi

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LB3711

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2010TRX4

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2010TRX4

Junior Member

LB3711

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