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P1FED Code - Hybrid/EV Battery Interface Control Module 5 Voltage Sensor Performance

- Code Popularity: 608 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC P1FED?

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 Hybrid/EV Battery Interface Control Module
  • Hybrid/EV Battery Interface Control Module harness is open or shorted
  • Hybrid/EV Battery Interface Control Module circuit poor electrical connection
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How to Fix the DTC P1FED?

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 P1FED 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 P1FED Description

The hybrid battery contains 192 individual cells. Two cells are welded together in parallel and called a cell group. There are a total of 96 cell groups in the hybrid battery assembly. These cell groups are electrically connected in series. Each individual cell group is rated at 3.7 V, for a nominal system voltage of 355 V direct current. The battery cell groups are joined to form 3 distinct sections. The first 24 battery cell groups make up battery section 1. This section is adjacent to the cowl and contains battery cell groups 73 through 96. The next 28 battery cell groups make up battery section 2. This section is located behind section 1 and contains battery cell groups 45 through 72. The transverse battery section is section number 3 and it contains the remaining 44 battery cell groups 1 through 44. The battery sections also contain two temperature sensors, with one sensor located at each end of the section.
The battery energy control module monitors the voltage of the 96 battery cell groups. The voltage sense lines are attached to each individual cell group, and these sense lines terminate at a connector located on the top surface of the battery section. A voltage sense harness joins this connector to the battery energy control module.
The battery energy control module contains internal interface control modules that monitor specific cell groups.
The battery energy control module will determine when a fault condition is present. Diagnostics and system status are communicated from the battery energy control module to the hybrid powertrain control module 2 through serial data. The hybrid powertrain control module 2 is the host controller for diagnostic trouble code information.

OBDII Code P1FED - Hybrid/EV Battery Interface Control Module 5 Voltage Sensor Performance - AutoCodes.com
P1FED Code - Hybrid/EV Battery Interface Control Module 5 Voltage Sensor Performance

Need More Information on the Code?

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Information for Specific Makes

  • P1FED Buick Hybrid/EV Battery Interface Control Module 5 Voltage Sensor Performance
  • P1FED Cadillac Hybrid/EV Battery Interface Control Module 5 Voltage Sensor Performance
  • P1FED Chevrolet Hybrid/EV Battery Interface Control Module 5 Voltage Sensor Performance
  • P1FED GMC Hybrid/EV Battery Interface Control Module 5 Voltage Sensor Performance
  • P1FED Saturn Hybrid/EV Battery Interface Control Module 5 Voltage Sensor Performance

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Code P1FED comments

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