Possible Causes
| Possible Causes |
|---|
| INTERMITTENT DTC |
| (K43) O2 1/1 POSITIVE CURRENT CONTROL CIRCUIT SHORTED TO GROUND |
| (K43) O2 1/1 POSITIVE CURRENT CONTROL CIRCUIT SHORTED TO THE (K99) O2 1/1 HEATER CONTROL CIRCUIT |
| (K43) O2 1/1 POSITIVE CURRENT CONTROL CIRCUIT OPEN OR HIGH RESISTANCE |
| OXYGEN SENSOR |
| ENGINE CONTROL MODULE (ECM) |