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AutoCodes - Generic - B2452

B2452 Code - Auxiliary Heater Fuel Pump Circuit Open

- Code Popularity: 5,041 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents
By AutoCodes.com - Updated Dec 08, 2019
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|Code B2452 Possible Causes

  • Faulty Auxiliary Heater Fuel Pump
  • Auxiliary Heater Fuel Pump harness is open or shorted
  • Auxiliary Heater Fuel Pump circuit poor electrical connection

|How do I Fix the Code B2452?

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's pins.

Does your Car have Safety Recalls? → Check here

|What is the Cost to Diagnose the Code B2452?

Labor: 1.0

The cost of diagnosing the B2452 code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.

|What are Code B2452 Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

|Code B2452 Description

The Powertrain Control Module (PCM) monitors the Auxiliary Heater Fuel Pump. The PCM sets the OBDII code when the Auxiliary Heater Fuel Pump is not to factory specifications.

OBDII Code B2452 - Auxiliary  Heater Fuel Pump Circuit Open - AutoCodes.com
B2452 Code - Auxiliary Heater Fuel Pump Circuit Open

|Need More Information on the B2452 Code?

Need more information on how to fix the B2452 code? Get Access to Factory Service Manuals

|Information for Specific Makes

  • B2452 Lexus Height Control Sensor Data Out Of Range When Initializing
  • B2452 Scion Height Control Sensor Data Out Of Range When Initializing
  • B2452 Toyota Height Control Sensor Data Out Of Range When Initializing

|Need Help with the B2452 Code?

Get the B2452 code diagnosed by a professional: Find a repair shop in your area

|Code B2452 comments

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