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P1D09 Code - EP-CAN A Malfunction BUS-OFF Battery Condition Monitor Module

- Code Popularity: 1,209 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC P1D09?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Faulty Battery Condition Monitor Module
  • Battery Condition Monitor Module harness is open or shorted
  • Battery Condition Monitor Module circuit poor electrical connection
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How to Fix the DTC P1D09?

Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.

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What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1D09 code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.

What are Code Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

Code P1D09 Description

The battery control processor is in the battery condition monitor module. The controller area network (CAN) transmits/ receives pulsing signals to/from the battery voltage cell voltage sensor simultaneously by using two signal lines (BATT-CAN_H and BATT-CAN_L). When the processor does not receive the signals via the BAT-CAN lines for a set time, a malfunction is detected and a DTC is stored.

OBDII Code P1D09 - EP-CAN A Malfunction BUS-OFF Battery Condition Monitor Module - AutoCodes.com
P1D09 Code - EP-CAN A Malfunction BUS-OFF Battery Condition Monitor Module

Need More Information on the Code?

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Information for Specific Makes

  • P1D09 Acura EP-CAN A Malfunction BUS-OFF Battery Condition Monitor Module
  • P1D09 Honda EP-CAN A Malfunction BUS-OFF Battery Condition Monitor Module

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Code P1D09 comments

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