The TPMS Module sets DTC C1122 when the voltage of TPMS Sensor2 battery is below 2.2 V.
| Item | Detecting Condition | Possible cause | 
| DTC Strategy | 
										•
									 Monitoring the battery of TPMS sensor | 1. TPMS sensor2 battery low | 
| Enable Conditions | 
										•
									 The lowest sensor's temperature which is recently measured is greater than -4℉(–20℃) 
										•
									 The distance travelled during 9 minutes is higher than 1.86 Mile (3 km) | |
| Threshold value | 
										•
									 When battery voltage of sensor is less than 2.2V and if TPMS Module receives the signal of sensor 2times consecutively for 2 minutes. | |
| Diagnostic Time | 
										•
									 2 minutes | |
| Lamp | 
										•
									 Lamp off |