Hybrid/EV Battery Voltage Sense T Circuit Low

Check these first

• A T circuit tap reading below the surrounding cell voltages
• High resistance in the T sense lead or connection
• A corroded pin in the T circuit connector
• A weak cell at the T voltage tap
• A sense module input fault on the T channel

What to do next

1. Read the T circuit voltage on a scan tool
2. Compare the T tap reading to its neighbors
3. Inspect the T sense lead and connector for corrosion
4. Measure resistance through the T circuit
5. Replace the sense module if the T channel reads low
6. Clear the code and retest

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