p0725
Moderate
Nissan · SUVs
Engine Speed Input Circuit Malfunction
Quick Answer
Error code P0725 on your Nissan SUVs means: Engine Speed Input Circuit Malfunction. This is usually fixable — see the step-by-step guide below.
Affected Models
Likely Causes
  1. Faulty engine speed sensor
  2. Wiring or connector issue
  3. Damaged wiring harness
  4. Failed transmission control module
  5. Faulty engine control module
How to Fix It
1
Inspect wiring and connectors
2
Test engine speed sensor operation
3
Check sensor resistance values
4
Verify signal with oscilloscope
5
Test harness continuity
Pro Tip
This fix requires some technical knowledge. If you're unsure about any step, consider contacting support or a qualified technician.
Related Error Codes
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