LEMON Manuals
: Even more car manuals for everyone
Home
>>
Lexus
>>
2010
>>
IS 350
>>
Repair and Diagnosis
>>
External Pages
>>
Different car
>>
Section 31 (Automatic Transmission (A760H) (Diagnostic Codes (P0500-U0100) & Circuit Tests))
>>
Automatic Transmission System
>>
DTC U0100: Lost Communication with ECM / PCM "A"
>>
Typical Malfunction Thresholds
Typical Malfunction Thresholds
WARNING:
This page is about a different car, the 2010 Lexus IS 250. However, it is still accessible from the selected car via links, so may be relevant.
Communication between engine control ECU and transmission control ECU
No communication