P0B18 – Intermittent/Erratic Hybrid Battery Pack “B” Voltage Detection Circuit

P0B18 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 P0B18

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.

P0B18 Possible Symptoms

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

P0B18 Meaning

The engine control module (ECM) monitors the hybrid battery voltage sensor “B” circuit. The ECM sets the OBDII code when the signal from the hybrid battery module voltage sensor “B” circuit is outside factory specifications.

P0B19 – Hybrid Battery Pack ‘C’ Voltage Detection Circuit

P0B19 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 P0B19

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.

P0B19 Possible Symptoms

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

P0B19 Meaning

The engine control module (ECM) monitors the hybrid battery voltage sensor C circuit. The ECM sets the OBDII code when the hybrid battery voltage sensor C circuit signal does not meet factory specifications.

P0B1A – Hybrid Battery Pack Voltage Detection Circuit Range/Performance

P0B1A 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 P0B1A

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.

P0B1A Possible Symptoms

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

P0B1A Meaning

The engine control module (ECM) monitors the hybrid battery voltage sensor C circuit. The ECM sets the OBDII code when the hybrid battery voltage sensor C circuit signal does not meet factory specifications.

P0B1B – Low Hybrid Battery Module “C” Voltage Detection Circuit

P0B1B 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 P0B1B

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.

P0B1B Possible Symptoms

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

P0B1B Meaning

The engine control module (ECM) monitors the hybrid battery voltage sensor C circuit. The ECM sets the OBDII code when the hybrid battery voltage sensor C circuit signal does not meet factory specifications.

P0B1C – High Hybrid Battery Block “C” Voltage Detection Circuit

P0B1C 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 P0B1C

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.

P0B1C Possible Symptoms

Engine light on (or service engine soon warning light)

P0B1C Meaning

The Engine Control Module (ECM) monitors the hybrid battery voltage sensor C circuit. The ECM sets the OBDII code when the hybrid battery voltage sensor C circuit signal does not meet factory specifications.

P0B1D – Intermittent/Erratic Hybrid Battery Pack Voltage Detection Circuit

P0B1D Possible Causes

  • Defective hybrid battery
  • Hybrid battery harness is open or short-circuited
  • Poor electrical connection in the hybrid battery circuit

What Does It Mean?

How to Fix Code P0B1D

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

P0B1D Possible Symptoms

Engine light on (or service engine soon warning light)

P0B1D Meaning

The Engine Control Module (ECM) monitors the hybrid battery voltage sensor C circuit. The ECM sets the OBDII code when the hybrid battery voltage sensor C circuit signal does not meet factory specifications.

P0B1E – Hybrid Battery “D” Voltage Detection Circuit

P0B1E 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 P0B1E

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.

P0B1E Possible Symptoms

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

P0B1E Meaning

The engine control module (ECM) monitors the hybrid battery voltage sensor “D” circuit. The ECM sets the OBDII code when the hybrid battery voltage sensor D circuit signal does not meet factory specifications.

P0B1F – Hybrid Battery Pack Voltage Detection Circuit Range/Performance

P0B1F Possible Causes

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

What Does It Mean?

How to Fix Code P0B1F

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.

P0B1F Possible Symptoms

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

P0B1F Meaning

The engine control module (ECM) monitors the hybrid battery voltage sensor “D” circuit. The ECM sets the OBDII code when the hybrid battery voltage sensor D circuit signal does not meet factory specifications.

P0B20 – Low Hybrid Battery “D” Voltage Detection Circuit

P0B20 Possible Causes

  • Defective hybrid battery
  • Hybrid battery harness is open or short-circuited
  • Poor electrical connection in the hybrid battery circuit

What Does It Mean?

How to Fix Code P0B20

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.

P0B20 Possible Symptoms

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

P0B20 Meaning

The engine control module (ECM) monitors the hybrid battery voltage sensor “D” circuit. The ECM sets the OBDII code when the signal from the hybrid battery voltage sensor D circuit does not meet factory specifications.

P0B21 – Hybrid Battery “D” Voltage Detection Circuit High

P0B21 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 P0B21

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.

P0B21 Possible Symptoms

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

P0B21 Meaning

The engine control module (ECM) monitors the hybrid battery voltage sensor “D” circuit. The ECM sets the OBDII code when the hybrid battery voltage sensor D circuit signal does not meet factory specifications.