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MR2 C65M
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Engine Controls - Diagnostics
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DTC P1646: Transmission Control ECU Malfunction*
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Typical Malfunction Thresholds
July 1:
So it begins
. Don't worry, this is not in the correct legal jurisdiction!
Typical Malfunction Thresholds
TYPICAL MALFUNCTION THRESHOLDS
Detection Criteria
Threshold
Communication between ECM and transmission ECU
No communication