P0112 - Intake Air Temperature Circuit Low Input

IAT signal indicates very cold temperature (low voltage).

Code Meaning

IAT signal indicates very cold temperature (low voltage).

Common Causes

Quick Checks

• Inspect wiring for chafing
• Check sensor resistance vs temp spec
• Verify reference voltage

Likely Repairs

Use test results to confirm the fault before pricing the repair.

Related Codes

Next Steps

Move from the code to a diagnosis path, then into repair pricing once the fault is confirmed.