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Home >> Acura >> 2012 >> MDX >> Repair and Diagnosis >> Electrical >> Body Electrical >> Battery Management System >> Symptom Troubleshooting

Symptom Troubleshooting

'10-12 MODELS

MID Indication Possible cause Diagnostic procedure Notes
G08055167
  • Faulty connector
  • Faulty wire harness
  • Faulty battery sensor
  1. Inspect the connector to be sure it is making good contact.
  2. Check for an open or high resistance in the wire.
  3. Disconnect the battery sensor from the battery negative terminal and reconnect it.
  4. Check for DTCs.
  5. Replace the battery sensor.
The battery sensor is initialized and recalibrated automatically after reconnecting.
To do this quickly, turn off all electrical loads, lock all doors with the transmitter, and remove the No. 9 (7.5 A) fuse from the main under-hood fuse box. Then disconnect the battery sensor 2P connector, wait 5 seconds, reconnect it, and reinstall the fuse. The battery sensor will be initialized and recalibrated within 10 minutes.
'10-11 MODELS

MID Indication Possible cause Diagnostic procedure Notes
G08055168
Faulty battery Test the battery (see BATTERY TEST ).  
G08055169G08055170
G08055169G08055170
  • Faulty alternator
  • Low battery voltage
  • Low battery charge
  1. Troubleshoot the charging system.
  2. Check for excessive parasitic draw with the ignition switch in LOCK (0), and the key removed.
Long-term parking, frequent short trips, aftermarket accessories, or using vehicle electrical devices without the engine running for long periods may cause this condition.