OBD-I Codes List

Chrysler 44 Battery Temperature Sensor Out Of Range

Make
Chrysler (1983-1995)
Category
Powertrain - Computer and Auxiliary Controls
Severity
Check Engine Light

How to read it

Code 44 reads as 4 flashes, pause, 4 flashes on the check-engine light. Cycle the ignition key on, off, on, off, then leave it on with the engine off, and count the flashes on the power loss or check-engine light.

New to flash codes? The How to Read Chrysler OBD-I Codes with the Key Cycle walks through the test and what the numbers mean. The general OBD-I guide covers the rest.

What does Chrysler code 44 mean?

Battery Temperature Sensor Out Of Range

Common causes of 44

  • Failed battery temperature sensor
  • Open or shorted sensor signal wire
  • Extreme ambient temperature outside the sensor range
  • Faulty sensor input in the controller
  • On some models an ambient temperature sensor fault sets this same code

How to fix 44

  1. Compare scan tool battery temperature to actual under hood temperature
  2. Inspect the sensor connector and wiring for opens and corrosion
  3. Test sensor resistance against the factory temperature chart
  4. Check for extreme cold or heat affecting the reading on the road test
  5. Replace the sensor only if resistance is out of range
  6. Clear the code and retest

Source

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Last updated 2026-10-10.

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