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TransmissionModerate⚠️ Professional Recommended

P0725

Engine Speed Input Circuit Malfunction

The engine speed signal input to the transmission control module has a fault.

SeverityModerate
CategoryTransmission
Est. Repair Cost$150-$400
Code TypePowertrain
DIY RepairProfessional

⚡ Common Causes

⚠️ Symptoms

✅ How to Fix — Step by Step

  • Step 1:Inspect wiring between ECM and TCM
  • Step 2:Test engine speed signal
  • Step 3:Repair wiring or replace sensor as needed
💡 Pro Tip: This code involves the connection between the engine and transmission computers - check the shared wiring harness between them.

Repair Cost Estimate

Full Repair Estimate
$150-$400
DIY Possible?
PRO
Severity
Moderate

Frequently Asked Questions

What does OBD2 code P0725 mean?+
P0725 stands for Engine Speed Input Circuit Malfunction. The engine speed signal input to the transmission control module has a fault.
What causes code P0725?+
Faulty crankshaft position sensor; Damaged wiring between ECM and TCM; Wiring fault
How do I fix code P0725?+
Inspect wiring between ECM and TCM; Test engine speed signal; Repair wiring or replace sensor as needed
How much does it cost to fix P0725?+
Estimated repair cost for P0725 is $150-$400.
Is P0725 DIY-friendly?+
P0725 typically requires professional equipment and a qualified mechanic.

AI Diagnosis

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