P0A87

Symptoms

• Check Engine light comes on
• Reduced hybrid system efficiency
• The car goes into emergency mode
• Problems with charging a high-voltage battery
• Increased fuel consumption

Causes

• Faulty current sensor in the 14V module
• Open or short circuit in the sensor circuit
• Poor contact in sensor circuit connectors
• 14V power module faulty
• Problems with the hybrid system ECU

How to Fix

1. Check the continuity of the current sensor circuit
2. Inspect connectors and contacts for corrosion or damage
3. Check the current sensor readings using a diagnostic scanner
4. If necessary, replace the current sensor or 14V power module
5. Check and update ECU software if necessary

Related codes

Error P0A87 by Vehicle Brand