Skip to content
Home DTC Codes P9587 Hard · 45-90min
P9587 Critical

OBD2 Code P9587: Powertrain System - Fault Detected

Powertrain fault detected by the computer.

ECU: BMS

Detected Root Component

Powertrain Component

Confidence level: low

Observed Symptoms

  • Hybrid fault light on
  • Loss of engine power
  • Reduced electrical autonomy

Possible Causes

  • Failed high voltage battery module
  • Damaged wiring
  • Faulty engine computer (ECU)
  • Faulty cooling system
Diagnostic Progress 0 %
Difficulty Hard
Est. time 45-90min
Tools Required 5 tool(s)

Tools Required

multimeter (with insulation test capability or megohmmeter) OBD scanner with hybrid/EV support wiring diagram HV PPE (gloves, face shield) insulated tools

Interactive Diagnostic

Answer each question to calculate your diagnostic score.

Diagnostic Result

0
certainty points

Recommended action:

Find the part:

Answer the questions above to get the result.

Was this diagnostic helpful?

Parts likely to be the cause (Moteur (général))

Moteur (général)

Moteur (général)

Photo d'illustration : Moteur (général)

© DTC-Logic.com

Click on an image to enlarge

Frequently asked questions about code P9587

What does code P9587 mean?

OBD2 Code P9587: Powertrain System - Fault Detected. Powertrain fault detected by the computer.

What are the symptoms of code P9587?

Code P9587 may cause: Hybrid fault light on, Loss of engine power, Reduced electrical autonomy. The intensity of these symptoms varies depending on the vehicle and driving conditions.

What causes code P9587?

The most common causes of code P9587 are: Failed high voltage battery module, Damaged wiring, Faulty engine computer (ECU), Faulty cooling system. A proper OBD2 diagnostic will pinpoint the exact cause.

Is it serious to drive with code P9587?

Yes, code P9587 is critical (Critical). Avoid driving and consult a professional promptly to prevent major damage.

How do I fix code P9587?

Start by reading the code with an OBD2 scanner, then follow the interactive decision tree on this page. Priority causes to check: Failed high voltage battery module, Damaged wiring, Faulty engine computer (ECU), Faulty cooling system. Difficulty: Hard · Estimated time: 45-90min.