14 Volt Power Module Current Sensor A Circuit Low

Where it lives

For P0A88, the sensor sits on the circuit this code reports. The description of P0A88 reports a fault at the sensor.

Check these first

• A current sensor reading low
• Wiring problems between the sensor and the computer
• A failing 14 volt power module
• Low battery voltage

What to do next

1. Read 14 volt power module current sensor A data on a scan tool
2. Inspect the sensor wiring for damage
3. Check battery voltage and charge if low
4. Test the 14 volt power module output
5. Replace the current sensor if the signal stays low
6. Clear the code and retest

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