DTC Parameters

DTC U2105 will set if the BCM or TCM lost CAN communications with the ECM when:

• Condition exists for longer than 2 seconds for TCM, 3 seconds for BCM.
• Ignition is On.

DTC U2105 diagnostic runs continuously with ignition On.

DTC U2105 is a type A DTC for TCM.

DTC U2105 is a type C DTC for BCM.