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P2E8C

Battery Charger B Charge Sequence Signal 1 Circuit High

The charge sequence signal 1 circuit of battery charger B reports voltage above the expected window. Charging handshake compromised.

  • Check engine light: Yes
  • Emissions related: No
  • Repair difficulty: medium

Symptoms

  • Charge status indicator shows fault
  • Charging may not start or interrupts
  • Slower-than-expected charge rate

Common causes

Ordered by how often each turns out to be the cause.

  • Signal wire shorted to B+Common
  • Pull-down resistor openPossible
  • Connector pins corroded - high contact resistanceLess likely

Parts involved

  • Battery Charger B Charge Seq Signal 1
  • Wiring Harness
  • Bms

P2E8C is a generic OBD-II code defined by SAE J2012. Exact wording and diagnostic procedure vary by manufacturer and model. Code definitions are drawn from the public-domain OBDex dataset; the workshop notes are our own.