Turbocharger/Supercharger Boost Pressure Control Open Circuit
Findings, check these first
- Open boost solenoid control circuit
- Unplugged boost solenoid connector
- Broken control wire
- Failed boost solenoid
- PCM driver fault
Standard procedure
- Reseat the boost solenoid connector
- Test circuit continuity end to end
- Measure solenoid resistance
- Verify PCM command with a scanner
- Repair wiring or replace the solenoid
Code lookup
Type a code above, or start from a symptom or a common code.
Press / to jump to the box. Ford-enhanced powertrain, body, chassis and network codes. Generic P0xxx codes live on OBD Codes List.
Sources and review
Review: checked against the recorded source material.
- OBDII.pro: P1331 Ford definition
live reference page (obdii.pro)
Supports: Ford-family meaning for P1331: TURBOCHARGER / SUPERCHARGER BOOST HIGH SIDE CONTROL CIRCUIT / OPEN
Fetched directly. obdii.pro is a publisher independent of the engine-codes family.
- P1331 FORD Code: Meaning, Causes, and Symptoms | OBD2 Codes
live reference page (obd2-codes.co)
Supports: Ford meaning for P1331: Turbocharger / Supercharger Boost Pressure Control Open Circuit
Fetched directly. obd2-codes.co phrasing matches the engine-codes family, so it counts as one publisher.
Last updated 2026-09-06.
Report a correction for P1331. Include your vehicle, the issue and a source if you have one.
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