P0725 on Nissan Altima
Engine Speed Input Circuit
Methodology: Reviewed against the SAE J2012 generic DTC definition and NHTSA owner-complaint patterns, then scoped to Nissan Altima context without treating complaints as confirmed diagnoses.
Sources: SAE/OBD-II definitions, manufacturer service information, and public reliability reports (including NHTSA where applicable).
- SAE J2012 Diagnostic Trouble Code Definitions — Generic diagnostic trouble code definition reference for P0725.
- NHTSA recalls, complaints, and manufacturer communications — Used to check public owner complaint context, recall status, and safety-related manufacturer communications by VIN or vehicle.
Limits: Guidance is informational and may not match every model-year or revision. Confirm with the official manual and diagnostics before replacing parts. For safety-critical or electrical work, use a qualified technician.
What P0725 Means on Your Nissan Altima
P0725 is a diagnostic trouble code indicating: Engine Speed Input Circuit. This code relates to the transmission system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.
Real Nissan Altima Owner Reports
Source: NHTSA Complaints Database
"Car stalling while in motion due to crank shaft sensor defect, also car is not shifting properly due to speed input sensor defect. service engine light is on, codes given during diagnostics are p0335 and p0725."
"Tl* the contact owns a 2005 nissan altima. while driving above 30 mph the vehicle will stall, and then restart. the vehicle was taken to a repair facility for inspection."
"While driving ~25 mph i was slowing down to a red traffic light and my car spontaneously shut off in traffic! i was able to put my car in park and restart the car. a few days later, it took 3 attempts before my engine started."
"While at a red light, the power on my 2006 nissan altima shut off without warning. after trying to turn over the ignition several times, the vehicle finally started."
"'service engine soon' lite came on. dealer scanned for trouble codes p0725,p0335. was told the "crankshaft position sensor" needs replacing, and was charged $130. the dealer wants to charge me $425 to replace 'cps'. was told that there was no recall for this situation."
All reports filed by vehicle owners directly with the U.S. Department of Transportation.
📊 Complaint Trend by Model Year
Common Causes on Nissan Altima
Based on NHTSA complaint component analysis for this vehicle.
What To Do Next
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1
Check for recalls on YOUR VIN
Go to nhtsa.gov/recalls and enter your VIN. If your vehicle is covered, repairs are free.
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2
Get a proper diagnosis
A code alone doesn't tell you the exact failed part. A diagnostic at a shop ($50–$150) pinpoints the root cause before you spend money on parts.
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3
Compare repair quotes
Get 2–3 quotes. Dealer vs. independent shop prices often differ 30–50% for the same repair.