P1643 – Battery signal circuit – high input (Honda)

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Last Updated 2018-02-21
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Trouble CodeFault LocationProbable Cause
P1643 Battery signal circuit – high input Wiring, hybrid battery pack, ECM   programming, ECM

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BAT Team Discussions for P1643

  • 1997 bonneville SSEI, 200,000mi. no fuel
    I want to thank you for this question: It kind of "ejimikated" me. Since you have an SEEI, I assume you have a supercharged engine....I knew on the "W" bodies, they sometimes used a resistor block for two pump speeds.....I never knew this car uses a fuel control module.... "(VIN 1 Only). The L67 (...