C2191

DTC C2191/91 Vehicle Speed Signal Error (Test Mode DTC)

DESCRIPTION





The tire pressure monitor ECU receives a speed signal from the combination meter. This DTC is stored upon entering test mode but erased when a vehicle speed signal of 12 mph (20 km/h) is detected for 3 seconds or more. The DTC is output only in test mode.

Wiring Diagram:

NOTICE: It is necessary to register an ID code after replacing the tire pressure monitor valve sub-assembly and/or the tire pressure monitor ECU.

HINT: When not using the intelligent tester, go to step *1.

INSPECTION PROCEDURES

Steps 1-2:

Step 3: