Brad's Car Manuals
: A 3rd party mirror of CHARM + LEMON car manuals
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2003
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RAV4 Base, FWD, Automatic
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DTC P1600: Engine Control Module Batt Circuit
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Possible Causes
Possible Causes
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DTC is set when open in back-up power source is detected. Possible causes are:
Back-up power source circuit is open.
Defective ECM.