P0B04 – Phase V Motor Current of Auxiliary Transmission Fluid Pump Low

P0B04 Possible Causes

  • Faulty auxiliary transmission fluid pump
  • Auxiliary transmission fluid pump harness is open or shorted
  • Poor electrical connection in auxiliary transmission fluid pump circuit

What Does It Mean?

How to Fix Code P0B04

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

P0B04 Possible Symptoms

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

P0B04 Meaning

The engine control module (ECM) monitors the auxiliary transmission fluid pump motor. The ECM sets the OBDII code when the auxiliary transmission fluid pump motor signal is outside factory specifications.

P0B05 – High Auxiliary Transmission Fluid Pump Motor Phase V Current

P0B05 Possible Causes

  • Faulty auxiliary transmission fluid pump
  • Auxiliary transmission fluid pump harness is open or shorted
  • Poor electrical connection in auxiliary transmission fluid pump circuit

What Does It Mean?

How to Fix Code P0B05

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

P0B05 Possible Symptoms

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

P0B05 Meaning

The engine control module (ECM) monitors the auxiliary transmission fluid pump motor. The ECM sets the OBDII code when the auxiliary transmission fluid pump motor signal is outside factory specifications.

P0B06 – W Phase Current of Auxiliary Transmission Fluid Pump Motor

P0B06 Possible Causes

  • Faulty auxiliary transmission fluid pump
  • Auxiliary transmission fluid pump harness is open or shorted
  • Poor electrical connection in auxiliary transmission fluid pump circuit

What Does It Mean?

How to Fix Code P0B06

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

P0B06 Possible Symptoms

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

P0B06 Meaning

The engine control module (ECM) monitors the auxiliary transmission fluid pump motor. The ECM sets the OBDII code when the auxiliary transmission fluid pump motor signal is outside factory specifications.

P0B07 – Low auxiliary transmission fluid pump motor phase W current

P0B07 Possible Causes

  • Faulty auxiliary transmission fluid pump
  • Auxiliary transmission fluid pump wiring harness open or shorted
  • Poor electrical connection in auxiliary transmission fluid pump circuit

What Does It Mean?

How to Fix Code P0B07

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

P0B07 Possible Symptoms

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

P0B07 Meaning

The engine control module (ECM) monitors the auxiliary transmission fluid pump motor. The ECM sets the OBDII code when the auxiliary transmission fluid pump motor signal is outside factory specifications.

P0B08 – High auxiliary transmission fluid pump motor phase W current

P0B08 Possible Causes

  • Faulty auxiliary transmission fluid pump
  • Auxiliary transmission fluid pump harness is open or shorted
  • Poor electrical connection in auxiliary transmission fluid pump circuit

What Does It Mean?

How to Fix Code P0B08

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

P0B08 Possible Symptoms

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

P0B08 Meaning

The engine control module (ECM) monitors the auxiliary transmission fluid pump motor. The ECM sets the OBDII code when the auxiliary transmission fluid pump motor signal is outside factory specifications.

P0B09 – Auxiliary Transmission Fluid Pump Motor Supply Voltage Circuit / Open

P0B09 Possible Causes

  • Faulty auxiliary transmission fluid pump
  • Auxiliary transmission fluid pump harness is open or shorted
  • Poor electrical connection in auxiliary transmission fluid pump circuit

What Does It Mean?

How to Fix Code P0B09

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

P0B09 Possible Symptoms

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

P0B09 Meaning

The engine control module (ECM) monitors the auxiliary transmission fluid pump motor. The ECM sets the OBDII code when the auxiliary transmission fluid pump motor signal is outside factory specifications.

P0B0A – Low Transmission Auxiliary Fluid Pump Motor Supply Voltage Circuit

P0B0A Possible Causes

  • Faulty auxiliary transmission fluid pump
  • Auxiliary transmission fluid pump harness is open or shorted
  • Poor electrical connection in auxiliary transmission fluid pump circuit

What Does It Mean?

How to Fix Code P0B0A

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

P0B0A Possible Symptoms

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

P0B0A Meaning

The engine control module (ECM) monitors the auxiliary transmission fluid pump motor. The ECM sets the OBDII code when the auxiliary transmission fluid pump motor signal is outside factory specifications.

P0B0B – High Auxiliary Transmission Fluid Pump Motor Supply Voltage Circuit

P0B0B Possible Causes

  • Faulty auxiliary transmission fluid pump
  • Auxiliary transmission fluid pump harness is open or shorted
  • Poor electrical connection in auxiliary transmission fluid pump circuit

What Does It Mean?

How to Fix Code P0B0B

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

P0B0B Possible Symptoms

Check Engine Light illuminated (or Service Engine Soon warning light)

P0B0B Meaning

The Engine Control Module (ECM) monitors the auxiliary transmission fluid pump motor. The ECM sets the OBDII code when the auxiliary transmission fluid pump motor signal is outside factory specifications.

P0B0C – Auxiliary Transmission Fluid Pump Hydraulic Leak

P0B0C Possible Causes

  • Faulty auxiliary transmission fluid pump
  • Auxiliary transmission fluid pump harness is open or shorted
  • Poor electrical connection in auxiliary transmission fluid pump circuit

What Does It Mean?

How to Fix Code P0B0C

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

P0B0C Possible Symptoms

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

P0B0C Meaning

The engine control module (ECM) monitors the auxiliary transmission fluid pump. The ECM sets the OBDII code when the auxiliary transmission fluid pump signal is outside factory specifications.

P0B0 – Electric/Auxiliary Transmission Fluid Pump Motor Control Module: No Subtype Information

P0B0D Possible Causes

  • Faulty electronic transmission fluid auxiliary pump
  • Electronic transmission fluid auxiliary pump harness is open or shorted
  • Poor electrical connection in electronic transmission fluid auxiliary pump circuit

What Does It Mean?

How to Fix Code P0B0D

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

P0B0D Possible Symptoms

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

P0B0D Meaning

The electronic transmission fluid auxiliary pump is used to keep the transmission engaged when the engine is stopped and the transmission is running. The transmission control module (TCM) monitors the electronic transmission fluid auxiliary pump control circuit. The TCM sets the OBDII code when the signal from the electronic transmission fluid auxiliary pump control circuit is outside factory specifications.