Turbo/Super Charger Boost Control Solenoid Circuit Range/Performance
The POWERSTROKE-P0046 (Power Stroke) diesel fault code means: Turbo/Super Charger Boost Control Solenoid Circuit Range/Performance. This is a serious severity code.
- Keep driving?
- Short distances only
- DIY difficulty
- intermediate
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What Are the Symptoms of POWERSTROKE-P0046?
- Check Engine Light on
- Reduced power or a reduced power message
- Possible hard starting or rough running
What Causes POWERSTROKE-P0046? (Most Likely First)
- Failed or sticking boost control solenoid High
- Wiring or connector fault High
- Engine computer driver fault Low
Can I Still Drive with POWERSTROKE-P0046?
Short distances only. POWERSTROKE-P0046 is rated serious severity. Keep trips short and get it diagnosed soon rather than waiting for symptoms to worsen.
Frequently Asked Questions
What does P0046 mean on a Power Stroke?
P0046 means Turbo/Super Charger Boost Control Solenoid Circuit Range/Performance. The boost control solenoid control circuit is behaving outside the range the engine computer expects for the commands it is sending.
Is P0046 a Power Stroke-specific code?
No. P0046 is a generic OBD-II code defined by SAE J2012, so it means the same thing on any vehicle that sets it. The exact conditions Ford uses to set it on its diesels are in Ford service information.
Mechanics Guide Step-by-step diagnosis
How Do You Diagnose POWERSTROKE-P0046?
Inspect the boost control solenoid connector and harness.
Check the boost control solenoid resistance against the service specification.
Check the control circuit for opens and shorts, then command it with a scan tool.
Sources 1
This page is built from documented references. Verify against your own service info before repair work.
- SAE J2012Diagnostic Trouble Code Definitions (defines P0046 as a generic OBD-II code)
P0046 on Other Platforms
The same code ID appears across other engines, vehicles, and equipment. Diagnostic flow varies by platform — see the matching breakdown:
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