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To read codes on a Jeep Comanche, you'll need to locate the diagnostic connector, typically found under the dashboard near the steering column. Use a jumper wire to connect terminals A and B of the connector, then turn the ignition key to the "on" position without starting the engine. The check engine light will begin to flash, indicating the trouble codes; count the flashes to determine the code. You can refer to a code chart specific to the Jeep Comanche to interpret the codes.

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1mo ago

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