Actuator Supply Voltage B Circuit Low

Where it lives

For P2670, the actuator sits on the circuit this code reports. The description of P2670 reports a fault at the actuator.

Check these first

• Actuator supply B wire shorted to ground or open
• Low battery voltage
• Failed actuator on supply B
• Corroded supply B connector
• PCM or ECM fault on the supply B output

What to do next

1. Check battery voltage and charging
2. Test actuator supply B for an open or short to ground
3. Inspect the supply B connector
4. Unplug the actuators on supply B one at a time and watch voltage
5. Verify the supply B output at the module
6. Clear the code and retest

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