Test X: The Service Soon Warning Indicator Is Inoperative

PINPOINT TEST X: THE SERVICE SOON WARNING INDICATOR IS INOPERATIVE

X1-X2:

X3-X4:

Normal Operation
The service soon warning indicator informs the driver that service on the vehicle is required. The input to the cluster is from a message over the communication network from the powertrain control module (PCM), or the traction battery control module (TBCM), or the transmission control module (TCM), or the power steering control module.

Possible Causes
- PCM
- instrument cluster