DC/DC Converter Voltage Sensor A Range/Performance

Where it lives

For P0E32, the description names the sensor as the part involved.

Check these first

• A converter voltage sensor A reading out of its expected range
• A failing converter output the sensor cannot track
• Reference or ground drift on the sensor A circuit
• A chafed sensor A signal wire

What to do next

1. Read the DC/DC converter voltage sensor A on a scan tool
2. Compare the reading to a meter at the converter output
3. Check the sensor A reference and ground
4. Inspect the sensor A wiring for chafing
5. Service the converter if the reading stays out of range
6. Clear the code and retest

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