OBD Sensor Power Supply C Circuit Low
What it means
P06E7 stands for Sensor Power Supply C Circuit Low. P06E7 is a P code, so the fault sits in the engine, transmission and emissions systems. For P06E7, the second digit places it in computer output circuits. For P06E7, work through the cause list below, cheapest checks first.
Where it lives
For P06E7, the circuit described runs through the sensor. The description of P06E7 reports a fault at the sensor.
What to check first
For P06E7, check the wiring and connector on this circuit first, since a broken terminal gives the same reading as a failed part.
Check these first
- P06E7: Faulty sensor or actuator in the control circuit
- P06E7: Wiring, connector, or fuse problem for the affected output
- P06E7: Low or unstable system voltage from the battery or charging system
- P06E7: Failed PCM/ECM or a software error
- P06E7: Poor ground connection for the control module
What to do next
P06E7 belongs to the computer output circuits system. These are the general steps for P06E7, and the exact cause on your vehicle can differ.
- P06E7: Verify battery voltage and charging system health first
- P06E7: Read all related module codes with an OBD-II scanner
- P06E7: Inspect wiring, connectors, and grounds for the affected circuit
- P06E7: Test the sensor or actuator with live data and actuation commands
- P06E7: Check for PCM software updates or TSBs before replacing modules
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Updated
Generic SAE J2012 definition. Last updated 2026-08-30.