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Subaru P0325

Knock Sensor Circuit Malfunction ..................................................06/95 1995MY Subaru Legacy DTC P0130 - Front O2 Sensor

DriveUnknown. The supplied diagnostic record lists safe-to-drive status as unknown.
ChargeUnknown. The supplied diagnostic record lists safe-to-charge status as unknown.
ServiceService need is unknown in the supplied record. Seek qualified Subaru service diagnosis if P0325 is present or returns.
Confidence95%

Quick answer

P0325 is identified in the supplied official-source evidence as “Knock Sensor Circuit Malfunction.” The supplied record does not establish EV-specific diagnostic implications, drivability, charging status, symptoms, causes, or repair actions.

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 P0325 mean?

P0325 is identified in the supplied official-source evidence as “Knock Sensor Circuit Malfunction.” The supplied record does not establish EV-specific diagnostic implications, drivability, charging status, symptoms, causes, or repair actions.

2. Technical explanation

The verified diagnostic record assigns DTC P0325 the meaning “Knock Sensor Circuit Malfunction.” The supporting NHTSA-hosted manufacturer communications reference this code in material that also identifies it for a 1995 Subaru Legacy. The supplied evidence does not provide test procedures, circuit specifications, component-location information, or a confirmed repair.

3. What system is affected?

Knock sensor circuit. No EV high-voltage-system involvement is established by the supplied evidence.

4. How serious is this code?

Unknown. The supplied diagnostic record lists severity as unknown.

5. Symptoms you may notice

  • Not yet established by verified evidence.

6. Possible causes

  • A malfunction in the knock sensor circuit is indicated by the code meaning.
  • Specific underlying causes are not yet established by verified evidence.

7. Can I still drive the vehicle?

Unknown. The supplied diagnostic record lists safe-to-drive status as unknown.

8. Can I charge the vehicle?

Unknown. The supplied diagnostic record lists safe-to-charge status as unknown.

9. What you can safely do

  • Have the vehicle evaluated by a qualified Subaru service provider or technician.
  • Do not assume that this code is related to an EV charging or high-voltage system; that relationship is not established by the supplied evidence.

10. Step-by-step troubleshooting

  1. No verified troubleshooting procedure is supplied for this diagnostic.
  2. A qualified technician should use applicable manufacturer diagnostic information to confirm the vehicle, model year, and code context before diagnosis.

11. When to contact service

Service need is unknown in the supplied record. Seek qualified Subaru service diagnosis if P0325 is present or returns.

12. What the service center may check

  • Confirm the exact vehicle identification, model year, and stored diagnostic information.
  • Use applicable manufacturer diagnostic information for the vehicle. Specific checks are not yet established by verified evidence.

13. Possible repair or resolution

  • Not yet established by verified evidence.

14. Affected vehicles

15. Related TSBs / service bulletins

  • NHTSA Manufacturer Communication PDF 11036794, published 2026-08-05, references “1995MY Subaru Legacy DTC P0325 - Knock Sensor Circuit Malfunction.”
  • NHTSA Manufacturer Communication PDF 11024859, published 2025-10-28, references “1995MY Subaru Legacy DTC P0325 - Knock Sensor Circuit Malfunction.”
  • NHTSA Manufacturer Communication PDF 11024863, published 2025-10-28, references “1995MY Subaru Legacy DTC P0325 - Knock Sensor Circuit Malfunction.”
  • The supplied excerpts do not establish that these communications provide a repair procedure or apply to the listed modern Subaru models.

16. Recall information

  • Not yet established by verified evidence.

17. Official manufacturer information

Official NHTSA-hosted manufacturer communication sources: https://static.nhtsa.gov/odi/tsbs/2026/MC-11036794-0001.pdf ; https://static.nhtsa.gov/odi/tsbs/2025/MC-11024859-0001.pdf ; https://static.nhtsa.gov/odi/tsbs/2025/MC-11024863-0001.pdf

19. Frequently asked questions

What does P0325 mean?

The supplied verified record identifies P0325 as “Knock Sensor Circuit Malfunction.”

Does P0325 affect charging?

Not yet established by verified evidence. The supplied record lists safe-to-charge status as unknown.

Can I drive with P0325?

Not yet established by verified evidence. The supplied record lists safe-to-drive status as unknown.

Which Subaru vehicles are listed in the supplied applicability data?

The supplied data lists US-market Crosstrek (2019–2026), Solterra (2019–2026), Trailseeker (2019–2026), and Uncharted (2019–2026), with overlapping end-year entries for Crosstrek and Solterra. The supplied source excerpts do not independently confirm code applicability to these modern models.

20. Sources & verification

ReferenceVerified
Subaru P0325: Knock Sensor Circuit Malfunction… | EV Diagnostics