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P274E: Transmission Fluid Temperature Sensor C Circuit Intermittent

Severity
Low
System
Powertrain
Last reviewed: Last updated:

Methodology: We combine code standards with complaint and reliability patterns, then review for clear, vehicle-first diagnosis steps.

Sources: SAE/OBD-II definitions, manufacturer service information, and public reliability reports (including NHTSA where applicable).

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 Does P274E Mean?

P274E is a diagnostic trouble code indicating: Transmission Fluid Temperature Sensor C Circuit Intermittent. This code relates to the powertrain system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.

Symptoms of P274E

Common Causes

Frequently Asked Questions

What does P274E mean?
P274E indicates: Transmission Fluid Temperature Sensor C Circuit Intermittent. The vehicle's computer has detected that the Transmission Fluid Temperature Sensor C is not operating within its expected parameters and stored this diagnostic trouble code.
Can I drive with code P274E?
Yes, P274E is generally safe to drive with in the short term. However, it should still be addressed to pass emissions testing and prevent potential secondary issues.
How much does it cost to fix P274E?
Repair costs for P274E typically range from $30 to $300, depending on the root cause. Simple wiring or connector repairs are on the lower end, while component replacement costs more. A proper diagnosis ($80–$150 at most shops) will identify the exact cause before committing to expensive parts.

What To Do Next

Possible Fixes

  • 🔧 Inspect and reseat all Transmission Fluid Temperature Sensor C connectors
  • 🔧 Repair chafed or damaged wiring in Transmission Fluid Temperature Sensor C circuit
  • 🔧 Replace Transmission Fluid Temperature Sensor C if failing intermittently
  1. 1
    Find your vehicle above

    Click your make and model for real owner reports and common causes specific to your vehicle.

  2. 2
    Check for recalls

    Go to nhtsa.gov/recalls and enter your VIN. Free repairs if covered.

  3. 3
    Get a professional diagnosis

    A code alone doesn't identify the exact failed part. A diagnostic ($50–$150) pinpoints the root cause.

Related Codes

P2700 Transmission Friction Element A Apply Time Range/Performance P2701 Transmission Friction Element B Apply Time Range/Performance P2702 Transmission Friction Element C Apply Time Range/Performance P2703 Transmission Friction Element D Apply Time Range/Performance P2704 Transmission Friction Element E Apply Time Range/Performance P2705 Transmission Friction Element F Apply Time Range/Performance P2706 Shift Solenoid F P2707 Shift Solenoid F Performance/Stuck Off P2708 Shift Solenoid F Stuck On P2709 Shift Solenoid F Electrical