What Does P0BDE Mean?
DTC P0BDE indicates the drive motor inverter temperature sensor "E" circuit is reading above the maximum expected voltage. The PCM detects a signal level consistent with an open circuit or infinite resistance condition. This high reading typically results from a disconnected sensor, broken wire, or open-element sensor failure.
Safety Warning
A high circuit reading causes the PCM to interpret an extremely high inverter temperature, likely triggering immediate power derating or electric drive shutdown. Unexpected loss of propulsion power in traffic poses a significant safety risk.
Common Causes
32%
Open circuit in the sensor E signal or ground wire
28%
Disconnected or backed-out pin in the sensor E connector
22%
Failed inverter temperature sensor E with open internal element
12%
Corroded connector terminals creating high-resistance open
6%
PCM internal open on the sensor E input circuit
Diagnostic Steps
1
Verify sensor E live data reads maximum temperature or maximum voltage, confirming the high circuit condition.
2
Inspect the sensor E connector for backed-out pins, broken locking tabs, or a disconnected plug.
3
Perform a continuity test on both the signal and ground wires between the sensor connector and the PCM connector.
4
Measure sensor resistance at the connector; an infinite (OL) reading confirms an open sensor element.
5
Check for terminal corrosion or oxidation that could prevent electrical contact despite physical connection.
Estimated Repair Cost
$150 - $800
Parts + labor, varies by vehicle and location
DTC P0BDE indicates the drive motor inverter temperature sensor "E" circuit is reading above the maximum expected voltage. The PCM detects a signal level consistent with an open circuit or infinite resistance condition. This high reading typically results from a disconnected sensor, broken wire, or ...
The most common cause of P0BDE (Drive Motor Inverter Temperature Sensor "E" Circuit High) is: Open circuit in the sensor E signal or ground wire
Typical repair costs for P0BDE range from $150 to $800, depending on the vehicle, location, and whether you do it yourself or go to a shop.
A high circuit reading causes the PCM to interpret an extremely high inverter temperature, likely triggering immediate power derating or electric drive shutdown. Unexpected loss of propulsion power in traffic poses a significant safety risk.
Start by connecting an OBD2 scanner to read the code and any freeze frame data. Then follow the diagnostic steps specific to P0BDE to identify the root cause.
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Quick Info
Category
Powertrain
System
Electric Drive Motor / Inverter
Difficulty
Type
Generic (SAE)
Recommended Tools
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