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.