BMW i4

P0A89

Warning

14 Volt Power Module Current Sensor Circuit High

Severity
Warning
Category
Motor
Code Type
EV-Specific
Applicable Regions
US, EU, Global

What does P0A89 mean?

Fault code P0A89 means "14 Volt Power Module Current Sensor Circuit High". It is an EV/Hybrid-specific diagnostic trouble code (DTC) in the powertrain system, classified as "motor" with a severity level of "warning". This code indicates a condition that should be addressed soon. Schedule a diagnostic appointment within the next few days to prevent further damage. This code is defined by the SAE J2012 / ISO 15031-6 standard and applies to OBD-II compliant vehicles sold in the US, EU, and other global markets. [Ford EV-specific: High Voltage Battery Charging System Fault. Applies to: Mustang Mach-E, F-150 Lightning, E-Transit] [Volkswagen EV-specific: High Voltage Battery Charging System Fault. Applies to: ID.3, ID.4, ID.5, ID.7, ID.Buzz] [BMW EV-specific: High Voltage Battery Charging System Fault. Applies to: BMW i4 (2022+), BMW iX1 (2022+), BMW iX3 (2020+), BMW i5 (2023+), BMW iX (2021+)] [General Motors EV-specific: High Voltage Battery Charging System Fault. Applies to: Chevrolet Equinox EV (2024+), Chevrolet Blazer EV (2024+), Honda Prologue (2024+), Cadillac Lyriq (2023+), Chevrolet Silverado EV (2024+)] [Volkswagen Group (MEB) EV-specific: High Voltage Battery Charging System Fault. Applies to: VW ID.3, VW ID.4, VW ID.5, VW ID.7, VW ID.Buzz, Skoda Enyaq, Skoda Elroq] [Audi EV-specific: HV Battery Charging System Fault. Applies to: Audi Q6 e-tron (2024+), Audi SQ6 e-tron (2024+), Porsche Macan EV (2024+), Audi Q4 e-tron (2021+), Audi Q4 Sportback e-tron (2021+)]

Possible Causes

  • Electric motor winding fault
  • Inverter control module failure
  • Position sensor misalignment or failure
  • Overheating due to cooling system issue

Recommended Actions

  1. 1 Schedule service as soon as possible
  2. 2 Schedule a diagnostic scan at an authorized service center
  3. 3 Avoid driving at high speeds until inspected

This code applies to all vehicles. View generic P0A89 information →