Possible Causes
| Possible Causes |
|---|
| INTERMITTENT DTC |
| (K157) AF SIGNAL CIRCUIT SHORT TO VOLTAGE |
| (K157) AF SIGNAL CIRCUIT SHORT TO GROUND |
| (K157) AF SIGNAL CIRCUIT OPEN OR HIGH RESISTANCE |
| (F342) FUSED MAIN RELAY OUTPUT CIRCUIT OPEN OR HIGH RESISTANCE |
| (K957) AF SENSOR GROUND CIRCUIT OPEN OR HIGH RESISTANCE |
| AIR FLOW SENSOR |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. See DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure