OBD Guide

P1436

A/C Evaporator Air Temperature Circuit Low

P1436 is an OBD-II diagnostic trouble code meaning: A/C Evaporator Air Temperature Circuit Low. Common causes: evaporator temperature sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $17–56.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Insufficient interior cooling
  • Air conditioning works intermittently
  • Hot air from deflectors
  • Climate system fault indication
  • Increased compressor noise

Causes

  • Evaporator temperature sensor malfunction
  • Open or short circuit in the sensor circuit
  • Poor contact in the sensor connector
  • Wiring harness damage
  • Malfunction of the climate control unit

How to Fix

  1. Check the resistance of the evaporator temperature sensor
  2. Inspect wiring and connectors for damage
  3. Check the voltage in the sensor circuit
  4. Replace evaporator temperature sensor if necessary
  5. Test the operation of the system after repair

Related codes

Error P1436 by Vehicle Brand

FAQ

What does the P1436 code mean?

P1436 is an OBD-II diagnostic trouble code that indicates: A/C Evaporator Air Temperature Circuit Low

What causes a P1436 error code?

The most common causes of P1436 include: Evaporator temperature sensor malfunction; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Wiring harness damage.

How do I fix a P1436 diagnostic trouble code?

To fix P1436: Check the resistance of the evaporator temperature sensor. Inspect wiring and connectors for damage. Check the voltage in the sensor circuit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1436?

Yes, but get it checked soon

How much does it cost to fix P1436?

The estimated repair cost for P1436 is $17–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat