Error code

OBD2 P0196

OBD2P0196
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.

What it means

Engine Oil Temperature Sensor Range/Performance.

Severity

moderateCan drive but monitor symptoms and address issues promptly.

Summary

P0196 indicates an issue with the Engine Oil Temperature Sensor's range or performance. This sensor is located in the engine and monitors oil temperature.

Symptoms

  • Malfunction Indicator Light (MIL) illuminated
  • Engine overheating
  • Low cabin heat

Common Causes

  • Faulty EOT sensor
  • Extreme cold conditions
  • Racing or towing, leading to excessive engine stress

Diagnosis

  1. Check electrical connectors for damage.
  2. Verify proper operation of the thermostat.
  3. Perform OBD checks to induce opposite DTCs (P0197, P0198).
  4. Conduct circuit tests with KOEO and key OFF.

Fixes

  • Replace faulty EOT sensor if diagnosed as the cause.

FAQ

What should I do if my MIL is on due to P0196?

Check for common issues like a faulty sensor or extreme cold conditions. Perform OBD checks and circuit tests before replacing the EOT sensor.

Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.