P0BBF – Hybrid Battery Cooling Fan Power Supply Voltage Circuit / Open

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P0BBF Possible Causes

  • Faulty hybrid battery
  • Hybrid battery harness is open or shorted
  • Poor electrical connection in hybrid battery circuit

What Does It Mean?

How to Fix Code P0BBF

Check the “possible causes” listed above. Visually inspect the wiring harness and related connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.

P0BBF Possible Symptoms

Check engine light illuminated (or service engine soon warning light)

P0BBF Meaning

The engine control module (ECM) monitors the hybrid battery. The ECM sets the OBDII code when the engine hybrid battery pack does not meet factory specifications.

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