OBDII Code List

P3023 TOYOTA - Battery Block 13 Becomes Weak

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3   
Comments  |  Add Comment

Possible causes

  • Faulty HV battery assembly
  • Faulty Battery ECU

Possible symptoms

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

P3023 Toyota Description

If there is an abnormal internal resistance or electromotive voltage in the hybrid battery blocks, the hybrid battery Electronic Control Unit (ECU) determines that a malfunction has occurred. When the malfunction detection condition is satisfied, the battery ECU illuminates the MIL and sets a Diagnostic Trouble Code (DTC).
OBDII Code P3023 Toyota - Battery Block 13 Becomes Weak -

Need more help?

Get the P3023 Toyota code diagnosed by a professional: Find a repair shop in your area

Related Information

P3023 TOYOTA Comments

Help us improve Leave a comment below or tell us if the information above help you fix the code. What are the symptoms on your vehicle for the P3023 Toyota code? Have you replaced any parts?
Any information is appreciated. Thanks
Top ⇧