P1914 – OBD-II DTC

OBD-II DTC P1914 – Trans Temp Sensor Circuit Open or Shorted to Pwr or Gnd

DTC P1914 meaning

DTC P1914 refers to a diagnostic trouble code indicating an issue with the transmission temperature sensor circuit. Specifically, it signifies that the circuit is either open or shorted to power or ground. This can lead to incorrect temperature readings, affecting the transmission’s performance and overall vehicle operation.

DTC P1914 symptoms

Common symptoms associated with DTC P1914 may include:

  • Transmission overheating
  • Erratic shifting or harsh transmission behavior
  • Check Engine Light illuminated
  • Transmission fluid temperature gauge reading inaccurately
  • Potential limp mode activation

DTC P1914 causes

Several factors can lead to the triggering of DTC P1914, including:

  • Faulty transmission temperature sensor
  • Wiring issues such as frayed or damaged wires
  • Corroded or loose electrical connectors
  • Short circuit in the sensor circuit
  • Open circuit due to broken wires or poor connections

DTC P1914 seriousness

The seriousness of DTC P1914 can vary, but it is generally considered a moderate to high priority issue. If left unaddressed, it can lead to:

  • Transmission damage due to overheating
  • Increased wear and tear on transmission components
  • Potential safety hazards while driving

How to diagnose DTC P1914

To diagnose DTC P1914, follow these steps:

  1. Use an OBD-II scanner to confirm the presence of the code.
  2. Inspect the transmission temperature sensor and its wiring for visible damage.
  3. Check the electrical connectors for corrosion or loose connections.
  4. Test the resistance of the temperature sensor to ensure it is within specifications.
  5. Perform a continuity test on the wiring to check for opens or shorts.
  6. Clear the code and take the vehicle for a test drive to see if the code returns.

How to fix DTC P1914 step-by-step instructions

To fix DTC P1914, follow these steps:

  1. Identify and replace any faulty transmission temperature sensor.
  2. Repair or replace damaged wiring or connectors as needed.
  3. Ensure all connections are secure and free of corrosion.
  4. Clear the DTC using an OBD-II scanner.
  5. Test drive the vehicle to confirm that the issue is resolved and the code does not return.

How to erase DTC P1914

To erase DTC P1914, you can follow these steps:

  1. Connect an OBD-II scanner to the vehicle’s diagnostic port.
  2. Turn on the ignition without starting the engine.
  3. Navigate to the “Erase Codes” or “Clear Codes” option on the scanner.
  4. Confirm the action to clear the trouble codes.
  5. Disconnect the scanner and start the vehicle to ensure the code does not reappear.

Recommended tools for OBD-II diagnostics

Explore our expert picks: The Best OBD2 Scanners for 2025

Easy-to-use Multimeter for reliable diagnostics: AstroAI Auto-ranging Multimeter

Some of the links on this page may be affiliate links, which means we may earn a small commission if you make a purchase. This helps us keep our DTC database up to date and provide valuable content for free. We only recommend products that we have tested and believe to be the best in their class.