Chevrolet P0089
Fuel Pressure Regulator Performance • P00C6: Fuel Rail Pressure Low During Engine Cranking • P228C: Fuel Pressure Regulator Control Perfor
Quick answer
For a 2024 Chevrolet Equinox in the US, P0089 is documented in GM/NHTSA bulletin 25-NA-147 with P00C6 and P228C as possible accompanying DTCs. The bulletin evidence identifies possible no-start, stalling, and MIL illumination. Specific cause, repair, driving safety, and charging safety are not yet established by the supplied verified evidence.
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 P0089 mean?
For a 2024 Chevrolet Equinox in the US, P0089 is documented in GM/NHTSA bulletin 25-NA-147 with P00C6 and P228C as possible accompanying DTCs. The bulletin evidence identifies possible no-start, stalling, and MIL illumination. Specific cause, repair, driving safety, and charging safety are not yet established by the supplied verified evidence.
2. Technical explanation
The supplied verified record identifies P0089 as “Fuel Pressure Regulator Performance.” Its canonical record also references P00C6, “Fuel Rail Pressure Low During Engine Cranking,” and P228C, “Fuel Pressure Regulator Control Performance.” NHTSA-hosted GM manufacturer communication 25-NA-147 states that technicians may encounter one or more of these DTCs with a no-start condition, stalling, or an illuminated malfunction indicator lamp (MIL). The supplied excerpt does not establish a component-level failure mechanism or diagnostic procedure.
3. What system is affected?
Fuel-pressure regulation / fuel-rail-pressure diagnostic system, based on the verified DTC descriptions. A broader system description is not yet established by verified evidence.
4. How serious is this code?
Unknown. The verified evidence reports possible no-start and stalling, but does not assign a severity level.
5. Symptoms you may notice
- No-start condition.
- Stalling.
- Illuminated malfunction indicator lamp (MIL).
6. Possible causes
- Not yet established by verified evidence.
7. Can I still drive the vehicle?
Not yet established by verified evidence. Because stalling is listed in the verified bulletin evidence, do not assume continued driving is safe.
8. Can I charge the vehicle?
Not yet established by verified evidence.
9. What you can safely do
- Arrange professional diagnosis if the vehicle has a no-start condition, stalls, or has an illuminated MIL with these DTCs.
- Do not assume the vehicle is safe to drive when stalling is present.
10. Step-by-step troubleshooting
- Have a qualified service facility retrieve and document all stored DTCs, including whether P0089, P00C6, and/or P228C are present.
- Provide the service facility with GM/NHTSA manufacturer communication 25-NA-147. Further diagnostic steps are not established by the supplied verified evidence.
11. When to contact service
Contact a Chevrolet dealer or qualified service facility for diagnosis, particularly for a no-start condition, stalling, or an illuminated MIL.
12. What the service center may check
- Confirm stored DTCs, including P0089, P00C6, and P228C.
- Review GM/NHTSA manufacturer communication 25-NA-147. Specific inspection and test procedures are not established by the supplied verified evidence.
13. Possible repair or resolution
- Not yet established by verified evidence.
14. Affected vehicles
- Chevrolet Equinox · 2024 · US
15. Related TSBs / service bulletins
- GM manufacturer communication 25-NA-147, published June 3, 2025 and hosted by NHTSA as MC-11026093-0001. It documents possible no-start, stalling, and MIL illumination with P0089, P00C6, and/or P228C for the verified applicability.
16. Recall information
- Not yet established by verified evidence.
17. Official manufacturer information
NHTSA-hosted GM manufacturer communication: 25-NA-147 (MC-11026093-0001), https://static.nhtsa.gov/odi/tsbs/2025/MC-11026093-0001.pdf. Verified applicability supplied: 2024 Chevrolet Equinox, US.
19. Frequently asked questions
What does P0089 mean on the verified 2024 Chevrolet Equinox application?
The verified diagnostic record defines P0089 as Fuel Pressure Regulator Performance.
What symptoms are documented with P0089?
GM/NHTSA communication 25-NA-147 lists possible no-start, stalling, and MIL illumination when one or more of P0089, P00C6, and P228C are set.
Which related codes are documented?
The verified evidence lists P00C6, Fuel Rail Pressure Low During Engine Cranking, and P228C, Fuel Pressure Regulator Control Performance.
Is there a verified repair for P0089?
No. A specific repair is not established by the supplied verified evidence.