DTC P0791 Lexus
Control Module. System Internal Failures. Internal Electronic Failure
Control Module. System Internal Failures. Internal Electronic Failure
Description
The Integrated Audio Module (IAM) checks internal components in the control module. The diagnostic trouble code (DTC) is stored if the control module detects that: Interrupted or no communication between the control module processor and the memory. The control modules test for the diagnostic trouble code (DTC) starts in the event of: Activated control module. Note! The control module can only detect the fault once the test has been started and the diagnostic trouble code (DTC) is stored when the conditions are met.
Cause and Solution
Damaged integrated audio module (IAM).
Video Guide
Diagnostic Info
- DTC Code: P0791
- Brand: Lexus