P0E40
Charge Status Indicator A Control Circuit High
Voltage on the charge status indicator a control circuit is above the expected window. Wiring faults of this kind typically come from chafing, water ingress at connector seals, or pin push-back — a wiggle test on the harness while the code is active often confirms the location.
Voltage on the charge status indicator a control circuit is above the expected window. Wiring faults of this kind typically come from chafing, water ingress at connector seals, or pin push-back — a wiggle test on the harness while the code is active often confirms the location.
Common causes
- high
Wire shorted to B+
One of the most commonly reported causes for this code — check this first.
Typical part cost: $40-220
- medium
Open lamp
A plausible cause — test and verify before replacing parts.
Typical part cost: $40-220
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First things to check
- 1Confirm the code with a scan tool and check for additional related codes.
- 2Inspect the relevant sensors, wiring, and connectors for damage or corrosion.
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Related codes
See related trouble codes
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Frequently asked questions
What does P0E40 mean?
P0E40 means "Charge Status Indicator A Control Circuit High". It is a generic OBD-II code that points to a fault in the hybrid / ev powertrain.
What are the most common causes of P0E40?
wire shorted to b+; open lamp; connector pins corroded - high contact resistance — these are the most commonly reported causes. Verify with a proper diagnosis before replacing parts, or use the Wrenchify app for a vehicle-specific diagnosis.
Can I keep driving with this code?
The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical. Use the Wrenchify app for a full diagnosis specific to your vehicle.
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