Engine Light? Key Trick Code Reader for Dodge/Chrysler - How-To #2 

WORKS ON MOST DODGE VEHICLES FROM 2000-2010 (not sure if it extends to other Chrysler cars)
To check for engine trouble codes with just your key: (will read POWERTRAIN codes only)
1) Turn key to on (not Start) and back to ACC.
2) Do this three times (FAST).
3) On the third turn, stop in the on position.
Dash will give any error code or codes EXAMPLE: P1512
When it is finished reading it will say DONE (if you have no codes then DONE is the only thing that will come up).
Research/Google your code and see what problem you have.
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