OBD-II reference

All 9.533 generic OBD-II codes, explained in detail.

Causes, inspection steps and sources — a comprehensive DIY archive. Created and maintained with love for the detail. Good luck and have fun!

Powertrain generic / SAE

P2BE7

Hybrid/EV Battery Pack Current Sensor C High

The hybrid control module detects a high fault on the high-voltage battery pack current sensor C. Pack-level current measurement is impaired.

SystemPowertrain
Typegeneric / SAE
GroupP2
Range / numberB / E7

Possible causes

  • Signal wire shorted to B+ high
  • Open current sensor medium
  • Pack cell imbalance approaching service threshold low

Symptoms

  • EV/hybrid system warning light on
  • Reduced power output or limp mode
  • Charging may fail or be slowed
  • Reduced electric range

Inspection / repair

  • Difficulty: hard
  • DIY: shop recommended

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Sources

References

How to read OBD-II codes

The first letter names the vehicle system, the second digit distinguishes generic from manufacturer-specific, the remaining digits group fault area and number.

PPowertrain: engine, transmission, emissions
BBody: chassis trim, comfort, interior
CChassis: suspension, brakes, steering
UNetwork: CAN, control modules, communication