P281B
Pressure Control Solenoid H Control Circuit/Open
The TCM detects an open circuit in the control wiring of pressure control solenoid H. No current flows when the solenoid is commanded.
The TCM detects an open circuit in the control wiring of pressure control solenoid H. No current flows when the solenoid is commanded.
Common causes
- high
Open in solenoid control wire
One of the most commonly reported causes for this code — check this first.
Typical part cost: $220-1980
- medium
Open solenoid coil
A plausible cause — test and verify before replacing parts.
Typical part cost: $220-1980
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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 P281B mean?
P281B means "Pressure Control Solenoid H Control Circuit/Open". It is a generic OBD-II code that points to a fault in the auxiliary emission controls.
What are the most common causes of P281B?
open in solenoid control wire; open solenoid coil; pin pushed back out of connector body — 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?
This code can put the vehicle into limp or reduced-power mode. Avoid extended driving and have the vehicle diagnosed promptly. Use the Wrenchify app for a full diagnosis specific to your vehicle.
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