TorqueMech Beta
TorqueMech OBD Code Guide

P0112 - Intake Air Temperature Circuit Low Input

IAT signal indicates very cold temperature (low voltage).

Code first. Confirm symptoms and checks before pricing parts.

Read code pattern Check likely system Estimate after confirmation

Code Overview

IAT signal indicates very cold temperature (low voltage).

Common Causes

  • Short to ground
  • IAT sensor failed

Diagnostic Steps

  1. Inspect wiring for chafing
  2. Check sensor resistance vs temp spec
  3. Verify reference voltage

Likely Repairs & Cost Guides

Confirm the repair path before pricing parts.

Continue Estimate

Next Steps

Move from code to checks, then estimate.