Jeep P1CEA
Boost Side Evap Purge System Performance. Discussion: If the above conditions are discovered, perform the published diagnostic routine foun
Quick answer
P1CEA is a Jeep powertrain DTC for “Boost Side EVAP Purge System Performance.” Verified manufacturer communications identify it with a Malfunction Indicator Lamp (MIL)/check-engine-light condition on applicable vehicles. The supplied evidence directs technicians to use the published diagnostic routine.
This page separates verified manufacturer/regulator evidence from supporting material. Unsupported causes, repairs or safety conclusions are not guessed.
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1. What does P1CEA mean?
P1CEA is a Jeep powertrain DTC for “Boost Side EVAP Purge System Performance.” Verified manufacturer communications identify it with a Malfunction Indicator Lamp (MIL)/check-engine-light condition on applicable vehicles. The supplied evidence directs technicians to use the published diagnostic routine.
2. Technical explanation
The verified description for P1CEA is “Boost Side EVAP Purge System Performance.” The evidence does not establish a specific failed part, root cause, or repair. An official Jeep/NHTSA manufacturer communication states that, when the listed condition and P1CEA are found, the published diagnostic routine should be performed.
3. What system is affected?
Boost-side evaporative-emissions (EVAP) purge system; the supplied evidence also identifies the Powertrain Control Module (PCM) as the module in which P1CEA may be set.
4. How serious is this code?
Not yet established by verified evidence.
5. Symptoms you may notice
- MIL/check-engine light illumination is verified by official manufacturer communications.
- P1CEA may be present in active or stored status, according to official manufacturer communications.
6. Possible causes
- Not yet established by verified evidence.
7. Can I still drive the vehicle?
Not yet established by verified evidence.
8. Can I charge the vehicle?
Not yet established by verified evidence.
9. What you can safely do
- Arrange diagnosis using the manufacturer’s published diagnostic routine.
- Record whether P1CEA is active or stored and retain the scan report for the service visit.
- Do not attempt high-voltage or other hazardous repairs based on this code alone.
10. Step-by-step troubleshooting
- Use a suitable scan tool to confirm P1CEA and determine whether it is active or stored.
- Have a qualified service technician perform the published manufacturer diagnostic routine referenced in the verified communications.
- Not yet established by verified evidence: any component-level test sequence, inspection point, or replacement procedure.
11. When to contact service
Service diagnosis is appropriate because official Jeep manufacturer communications instruct technicians to perform the published diagnostic routine when P1CEA is found with the described condition.
12. What the service center may check
- Confirm P1CEA in the PCM.
- Determine whether the DTC is active or stored.
- Perform the published diagnostic routine referenced by the manufacturer communication.
13. Possible repair or resolution
- Not yet established by verified evidence. The supplied official communications direct use of the published diagnostic routine but do not provide a verified repair outcome or part replacement.
14. Affected vehicles
- Jeep Wagoneer · 2024 · US
- Jeep Wagoneer · 2024–2026 · US
- Jeep Wagoneer · 2025 · US
15. Related TSBs / service bulletins
- NHTSA Manufacturer Communication 11018020, Jeep bulletin 18-022-25, published April 29, 2025: lists MIL illumination and P1CEA among applicable DTCs.
- NHTSA Manufacturer Communication 11018125, Jeep bulletin 18-023-25, published April 29, 2025: lists MIL illumination and P1CEA among applicable DTCs.
- NHTSA Manufacturer Communication 11030227, Jeep bulletin 18-042-26, published March 21, 2026: lists P1CEA as active or stored among applicable DTCs.
- NHTSA Manufacturer Communication 11030252, Jeep bulletin 18-042-26, published March 21, 2026: lists P1CEA as active or stored among applicable DTCs.
- NHTSA Manufacturer Communication PDF 11023628, Jeep communication S2518000008, published September 27, 2025: identifies a check-engine-lamp condition with PCM DTC P1CEA and directs use of the published diagnostic routine.
16. Recall information
- Not yet established by verified evidence.
17. Official manufacturer information
Verified applicability supplied: US-market Jeep Wagoneer model years 2024 through 2026. The supplied sources are official manufacturer communications published through NHTSA. Applicability of an individual bulletin should be confirmed by VIN with Jeep or an authorized dealer.
- NHTSA: NHTSA Manufacturer Communication 11018020: 18-022-25 · official_tsb
- NHTSA: NHTSA Manufacturer Communication 11018125: 18-023-25 · official_tsb
- NHTSA: NHTSA Manufacturer Communication 11030227: 18-042-26 · official_tsb
- NHTSA: NHTSA Manufacturer Communication 11030252: 18-042-26 · official_tsb
- NHTSA: NHTSA Manufacturer Communication PDF 11023628: S2518000008 · official_tsb
19. Frequently asked questions
What does Jeep code P1CEA mean?
It means “Boost Side EVAP Purge System Performance.”
Can P1CEA turn on the check-engine light?
Yes. Official manufacturer communications identify MIL/check-engine-light illumination with P1CEA.
Does P1CEA prove that a particular component has failed?
No. A particular failed component is not established by the supplied verified evidence.
Is P1CEA applicable to the Jeep Wagoneer?
The supplied applicability data identifies US-market Jeep Wagoneer vehicles for model years 2024 through 2026. Confirm individual vehicle and bulletin eligibility by VIN.
Is there a verified repair for P1CEA?
The supplied evidence directs technicians to perform the published diagnostic routine; it does not establish a specific repair or replacement.
20. Sources & verification
- NHTSA: NHTSA Manufacturer Communication 11018020: 18-022-25 · 2025
- NHTSA: NHTSA Manufacturer Communication 11018125: 18-023-25 · 2025
- NHTSA: NHTSA Manufacturer Communication 11030227: 18-042-26 · 2026
- NHTSA: NHTSA Manufacturer Communication 11030252: 18-042-26 · 2026
- NHTSA: NHTSA Manufacturer Communication PDF 11023628: S2518000008 · 2025