Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

Battery Current Sensor: Service and Repair

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Battery Current Sensor Replacement (RPOs LZE/LZ4/LZ9)

Removal Procedure

1. Disconnect the instrument panel (I/P) harness electrical connector (1) from the battery current sensor.
2. Remove the positive and negative battery cable.

3. Cut the tie straps and electrical tape attaching the battery current sensor to the positive battery cable.
4. Squeeze the positive and negative battery cable branches together.

Important: Note the position of the battery current sensor prior to removal.

5. Slide the battery current sensor (1) off of the battery cable.

Installation Procedure

Important: Ensure that the tape tab is pointing towards the positive battery terminal prior to installation.

1. Slide the NEW battery current sensor (1) up onto the battery cable.
2. Using NEW tie straps and electrical tape, attach the battery current sensor to the positive battery cable.

3. Install the positive and negative battery cable.
4. Connect the I/P harness electrical connector (1) to the battery current sensor.

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.
• Brakes feel soft, pull hard to one side, or make grinding noises.
• The engine overheats, stalls repeatedly, or misfires under load.
• You are missing required tools, torque specs, or safe lifting equipment.
• You are not confident in the next step or safety outcome.