Possible Causes
| Possible Causes |
|---|
| (K21) IAT SIGNAL CIRCUIT SHORTED TO GROUND |
| (K21) IAT SIGNAL CIRCUIT SHORTED TO THE (K915) SENSOR GROUND |
| (K21) IAT SIGNAL CIRCUIT OPEN OR HIGH RESISTANCE |
| INTAKE AIR TEMPERATURE SENSOR |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. See DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure .