LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Scion >> 2016 >> FR-S Automatic Trans >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (Diagnostic Codes (P1603-U0073) & Circuit Tests) >> SFI System >> DTC U0073: Control Module Communication Bus "A" Off; DTC U0101: Lost Communication With TCM; DTC U0122: Lost Communication With Vehicle Dynamics Control Module; DTC U0155: Lost Communication With Instrument Panel Cluster (IPC) Control Module; DTC U0402: Invalid Data Received From TCM; DTC U0416: Invalid Data Received From Vehicle Dynamics Control Module; DTC U0423: Invalid Data Received From Instrument Panel Cluster Control Module [05/2014 - ] >> Monitor Strategy
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Monitor Strategy

Related DTCs U0073: Control Module Communication Bus Off
U0101: Lost Communication with TCM
U0122: Lost Communication with Vehicle Stability Control Module
U0155: Lost Communication with Instrument Panel Cluster Control Module (Combination Meter)
U0402: Invalid Data Received from TCM
U0416: Invalid Data Received from Vehicle Stability Control Module
U0423: Invalid Data Received from Instrument Panel Cluster Control Module
Required Sensors/Components (Main) ECM
Required Sensors/Components (Related) TCM
Skid control ECU (Brake actuator assembly)
Combination meter assembly
Frequency of Operation Continuous
Duration 0.436 seconds: U0073
0.5 seconds: U0101, U0122, U0155
2 seconds: U0402, U0416, U0423
MIL Operation Immediately
Sequence of Operation None