What causes P1433 on a Ford?

Shorted refrigerant temperature sensor Signal wire shorted to ground Failed sensor stuck low Connector contamination PCM reference fault

How do I fix P1433 on a Ford?

Inspect sensor wiring for shorts Disconnect and watch for a reading change Test sensor resistance Clean the connector Replace the sensor if out of range

P1433 A/C Refrigerant Temperature Circuit Low

Q: What does P1433 mean on a Ford?

P1433 — A/C Refrigerant Temperature Circuit Low. Applies to F-150, Explorer, Taurus with refrigerant temp sensing.

Category: Powertrain - Computer and Auxiliary Controls
Severity: Check Engine Light
Applies to: F-150, Explorer, Taurus with refrigerant temp sensing

What does P1433 mean on a Ford?

P1433 — A/C Refrigerant Temperature Circuit Low. This Ford-enhanced code applies to F-150, Explorer, Taurus with refrigerant temp sensing.

Common causes of P1433

Shorted refrigerant temperature sensor
Signal wire shorted to ground
Failed sensor stuck low
Connector contamination
PCM reference fault

How to fix P1433

Inspect sensor wiring for shorts
Disconnect and watch for a reading change
Test sensor resistance
Clean the connector
Replace the sensor if out of range