CityFix

P0110 on Honda City GM2: Intake Air Temperature Sensor 1 Circuit Malfunction

Short answer: P0110 means “Intake Air Temperature Sensor 1 Circuit Malfunction”. The car’s computer has found a fault in the Engine system and turns on the Check engine light (MIL). First check: read the code and freeze-frame data with an OBD-II scanner.

Standard OBD-II code Same meaning on all cars (SAE J2012). Not checked against this car’s factory manual.

Code
P0110
System
Engine
Dashboard light
Check engine light (MIL)
Applies to
Generic OBD-II meaning. Not every code is used by this car.
Confidence
medium (generic OBD-II definition, not checked against the factory manual for this car)
Source
obd-codes.com

Symptoms and when it is set

  1. Check engine light on

Likely causes

  1. Potential causes of the P0110 DTC include
  2. IAT sensor shifted out of airflow
  3. Bad IAT sensor
  4. Shorted to ground or open on signal circuit to IAT
  5. Open in ground circuit to IAT
  6. Poor connection at IAT (backed out terminals, broken connector locks, etc.)
  7. Bad PCM

What to check, in order

  1. Read the code and freeze-frame data with an OBD-II scanner
  2. Check the connector and wiring of the part named in the code
  3. Test the part with scanner live data or a multimeter, using the values in the repair manual
  4. Fix the cause, clear the code and test-drive

Related on this car

Same code on other cars

← P0108 P0112 →

Clearing the code does not fix the fault. If it comes back, the problem is still there. For brakes, airbags and steering, see a trained mechanic.