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Home >> Acura >> 2023 >> Integra Base, Standard Trans >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System Diagnostics (U129E - U3502) >> DTC Troubleshooting >> DTC U129E (1.5L Engine, PGM-FI System) >> Notes
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DTC U129E (1.5L Engine, PGM-FI System): Notes

DTC U129E  : PF-CAN Malfunction (Powertrain Control Module (PCM)-Power Control Unit (PCU))

How to use this service information .

NOTICE: 

Before you troubleshoot, review the How to Troubleshoot - Refer to: How to Troubleshoot the Fuel and Emissions Systems (1.5L Engine) or How to Troubleshoot the Brake Booster Pressure Monitoring System or How to Troubleshoot the Fuel and Emissions Systems (2.0L Engine) (2024 2025) or How to Troubleshoot the CVT System .

NOTE:
  • DTC may be stored if body control module does not start normally.
  • DTC may be stored due to the power/ground circuit failure of the body control module. Before this troubleshooting, check the power/ground circuit of the body control module first.