Possible Causes
WARNING: This page is about a different car, the 2010 Dodge Charger and 2010 Chrysler 300. However, it is still accessible from the selected car via links, so may be relevant.
| Possible Causes |
|---|
| (K41) O2 1/1 SIGNAL CIRCUIT SHORTED TO VOLTAGE |
| (K902) O2 RETURN (UP) CIRCUIT SHORTED TO VOLTAGE |
| (K41) O2 1/1 SIGNAL CIRCUIT SHORTED TO THE (K99) O2 1/1 HEATER CONTROL CIRCUIT |
| (K41) O2 1/1 SIGNAL CIRCUIT OPEN OR HIGH RESISTANCE |
| (K902) O2 RETURN (UP) CIRCUIT OPEN OR HIGH RESISTANCE |
| 1/1 OXYGEN SENSOR |
| POWERTRAIN CONTROL MODULE (PCM) |
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. See DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure .