609
Thermo King
Warning
Check Intake Pressure Sensor
Fault in the Manifold Absolute Pressure (MAP) sensor.
Possible causes
- Broken or disconnected vacuum hose
- Air leak after the sensor
- Defective MAP sensor
Recommended actions
- Check integrity of air hoses
- Clean sensor intake port
- Verify sensor supply voltage
Can't find your code? Talk to an expert
$150
One-on-one phone session with a Low Temp refrigeration tech. Emergency temporary assistance only.
Other Thermo King codes
Need a professional diagnosis?
Low Temp Service — refrigeration experts in Florida.