Following the Evidence: P0441 in Your 2022 Cadillac XT5
Your 2022 Cadillac XT5 — on GM's C1XX platform with either the 2.0-liter turbocharged four-cylinder (235 hp) or the 3.6-liter V6 (310 hp) — has triggered P0441 for incorrect EVAP purge flow. The XT5 shares its platform with the Buick Enclave and GMC Acadia, so GM's well-documented EVAP patterns apply. P0441 means the ECM detected abnormal fuel vapor purge flow during its periodic self-test.
Symptoms You Might Notice
- Steady check engine light
- Normal engine power (2.0T or 3.6L V6)
- AWD (if equipped) operating normally
- Possible fuel smell near the rear
- Emissions test failure
Common Causes — Ranked
1. Vent Valve Solenoid
The #1 EVAP failure on GM's C1XX platform. The vent valve solenoid near the charcoal canister at the rear of the XT5 is exposed to road debris, moisture, and contamination. A companion P0449 code is a clear indicator. This is the same failure pattern seen on the Enclave and Acadia.
2. Purge Solenoid Valve
The purge solenoid controls vapor flow into the engine's intake manifold. On the 2.0T, boost and vacuum cycling stress the valve. On the 3.6L V6, high deceleration vacuum is the stress factor. Either engine can experience purge valve sticking after a couple of years.
3. Gas Cap Seal
The XT5 uses a traditional gas cap. The O-ring seal hardens from fuel vapor exposure and temperature extremes. Always check this first.
4. EVAP Line or Connection
The XT5's midsize body means moderate-length EVAP plumbing — more than the compact XT4 but less than the full-size Escalade. Connection points can loosen from vibration.
5. Charcoal Canister
If the vent valve has been gradually failing, the canister can absorb liquid fuel rather than just vapor, reducing EVAP efficiency.
Diagnostic Steps
- Check gas cap — tighten or replace ($15–$35)
- Scan for codes — check for companion P0449
- Test vent valve solenoid at the rear
- Test purge solenoid in the engine bay
- Smoke test the EVAP system
Repair Cost Breakdown
- Vent valve solenoid: $130 – $280
- Purge solenoid valve: $120 – $260
- Gas cap: $15 – $35
- EVAP line repair: $85 – $210
- Charcoal canister: $230 – $420
Can I Drive With P0441?
Yes. Your XT5's engine, AWD, and all luxury features work normally. P0441 is an emissions monitoring code.
DIY vs Professional
Your 2022 XT5 should be within Cadillac's 4-year/50,000-mile basic warranty. Dealer service is the no-cost option. If out of warranty, the vent valve solenoid near the spare tire is a common DIY replacement on C1XX vehicles ($30–$55 for the part). The purge solenoid in the engine bay is accessible on both the 2.0T and 3.6L V6. Federal emissions warranty (8 years/80,000 miles) provides long-term EVAP coverage regardless of basic warranty status.