P06DE: How to Diagnose & Fix — Engine Oil Pressure Control Circuit Stuck On
3 vehicles · 3 makes · $50-$2,500 repair
How to diagnose and fix P06DE: most-reported vehicles
Ranked by owner reports. Each card gives the symptoms, how to confirm the cause, the fix, parts and sources for that vehicle.
Chevrolet Trax · 2015–2022
The 1.4L turbocharged engine burns oil at an excessive rate, often consuming a quart every 1,000-2,000 miles. GM preliminary information PIP5197 attributes excessive oil consumption and blue exhaust smoke on this engine to a potential failure of the PCV orifice diaphragm, which can cause abnormal crankcase pressure. GM considers up to 1 quart per 2,000 miles "normal" but many owners find this unacceptable.
Common Symptoms
- Low oil level between changes
- Blue smoke on startup
- Oil smell from exhaust
- Low oil pressure warning
How to Fix
Monitor oil level between changes and top off as needed. Replace the PCV valve and inspect the intake manifold for oil buildup. For severe consumption, an engine teardown to replace piston rings and valve stem seals may be necessary. Use full synthetic 5W-30 oil as specified.
Sources for this issue (1)
Chevrolet Trax · 2024–2024
GM PIP5947C addresses North American 2024 Trax 1.2L LIH vehicles below 2,000 miles with excess oil consumption, blue exhaust smoke or idle surge. It identifies an internal camshaft-cover failure as the cause.
Common Symptoms
- Excessive oil consumption
- Blue exhaust smoke
- Idle surge or possible oil-fouling misfire
How to Fix
Under GM bulletin PIP5947C, a technician should first confirm excess oil in every cylinder before replacing the camshaft cover. After a safe post-repair road test, set and mark the oil level and verify consumption over 100 miles. Persistent consumption requires further diagnosis. Have the dealer check your VIN for powertrain coverage. A whistle, suction at the oil cap or a trouble code on its own does not mean the camshaft cover needs replacing. Maintain the correct oil level without overfilling.
Call to confirm they can assess your vehicle and perform the stated work. Search results do not confirm qualification, eligibility or coverage.
Sources for this issue (1)
Cadillac XT4 · 2019–2025
The 2.0L turbocharged engine in the XT4 consumes oil at a higher-than-expected rate, with some owners reporting a quart consumed every 2,000-3,000 miles. GM has not published a specific root cause for the XT4, but its engine oil consumption bulletin 01-06-01-011 (revisions N and O list the XT4) gives dealers guidelines and diagnostic/repair steps for oil consumption concerns.
Common Symptoms
- Low oil level between changes
- Low oil pressure warning
- Oil smell from exhaust
- Blue haze on hard acceleration
How to Fix
Monitor oil level between changes and top off as needed. Use only Dexos1 Gen3 certified 0W-20 synthetic oil. Have the PCV system inspected for proper function. If consumption exceeds 1 quart per 2,000 miles, ask the dealer to run the oil consumption test in GM bulletin 01-06-01-011. Document consumption for warranty purposes.
Call to confirm they can assess your vehicle and perform the stated work. Search results do not confirm qualification, eligibility or coverage.
Sources for this issue (2)
Buick Envision · 2016–2019
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P06DE code reference
General diagnostic-code context. The code alone does not confirm a cause for your vehicle; use the applicable issue card and its sources.
Frequently asked questions
What does P06DE mean?
P06DE stands for "Engine Oil Pressure Control Circuit Stuck On." P06DE is a generic OBD-II code indicating the engine computer detected that the engine oil pressure control circuit, typically an oil control solenoid or actuator, is stuck on (energized) and not regulating oil pressure properly. Modern engines vary oil pressure for efficiency and to feed systems like variable valve timing, so a stuck circuit prevents proper control. This can lead to abnormal oil pressure, noisy valvetrain, rough idle, and reduced performance. Because oil pressure problems can quickly cause severe engine damage, this should be treated as urgent.
What are the most common causes of P06DE?
The most common causes of P06DE are: Oil control solenoid stuck on or clogged with sludge/debris, Short to power keeping the solenoid energized, Low oil level or contaminated/degraded oil, Damaged wiring or connector in the control circuit, Failed oil pressure control solenoid/actuator, Faulty oil pressure sensor giving bad feedback, PCM/ECM fault (rare). The specific cause varies by vehicle.
How much does it cost to fix P06DE?
Repair costs for P06DE range from $50 to $2,500, depending on the vehicle and root cause.
Which vehicles are affected by P06DE?
Au7o has documented P06DE across 3 vehicle models from 3 manufacturers: Buick, Cadillac, Chevrolet.
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Content compiled with AI assistance using NHTSA complaints, TSBs, and owner reports. May contain errors. Always verify with your vehicle's service manual.