SYSTEM DIAGRAM 1. SECONDARY AIR INJECTION CONTROL SYSTEM DIAGRAM  2. SECONDARY AIR INJECTION SYSTEM WIRING DIAGRAM 
 3. EGR CONTROL SYSTEM DIAGRAM  4. EGR CONTROL SYSTEM WIRING DIAGRAM 
 5. EVAP CONTROL SYSTEM DIAGRAM  Text in Illustration
6. EVAP CONTROL SYSTEM WIRING DIAGRAM  |
Toyota Tundra Service Manual > Pre-collision System: Lost Communication with ECM / PCM "A" (U0100,U0125,U0126,U0129,U0137)
DESCRIPTION These DTCs are stored when a communication malfunction occurs between ECUs that perform pre-collision system control. DTC No. Detection Item DTC Detection Condition Trouble Area U0100 Lost Communication with ECM / PCM "A" When the vehicle is being driven at a speed of 5 km/h (4 ...
