DTC P1745 Lexus
Loss of Communications with HVAC
Loss of Communications with HVAC
Description
Conditions for Setting the DTC. The module does not receive a state of health (SOH) message back from the CCP. The module retries the request 3 times. The module then sets DTC U1153. This DTC only sets if U1300 or U1301 are not current.
Cause and Solution
DTC U1153 does not normally represent a failure within the module.When loss of class 2 serial data communication DTCs (DTCs with a letter U prefix ) are stored as history, know all of the possible serial data DTCs set in each module before diagnosi
Video Guide
Diagnostic Info
- DTC Code: P1745
- Brand: Lexus