OBD
P0E35
DC/DC Converter Voltage Sensor A Intermittent/Erratic
What it means
P0E35 stands for DC/DC Converter Voltage Sensor A Intermittent/Erratic. P0E35 is a P code, so the fault sits in the engine, transmission and emissions systems. For P0E35, work through the cause list below, cheapest checks first.
Where it lives
For P0E35, start at the sensor the description names.
What to check first
For P0E35, clear the code, drive a short distance and read it again, since a code that comes back is still there and one that does not was history.
Check these first
- P0E35: Faulty or contaminated sensor in the fuel/air metering circuit
- P0E35: Damaged or shorted wiring or connector for the affected circuit
- P0E35: Vacuum leak or intake system restriction
- P0E35: Failing fuel pump, injector, or fuel pressure regulator
What to do next
P0E35 belongs to the powertrain control system. These are the general steps for P0E35, and the exact cause on your vehicle can differ.
- P0E35: Read freeze frame data and related codes with an OBD-II scanner
- P0E35: Inspect the affected sensor wiring and connector for damage
- P0E35: Compare live sensor readings (fuel trim, airflow, temperatures) to manufacturer specs
- P0E35: Smoke test the intake system if lean or vacuum conditions are suspected
- P0E35: Replace the failed component after confirming it with live data
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Updated
Generic SAE J2012 definition. Last updated 2026-08-30.