Toyota Camry (XV70): Lost Communication With ECM/PCM "A" (U0100-U0142,U0151,U0155)
DESCRIPTION
|
DTC No. | Detection Item |
DTC Detection Condition | Trouble Area |
Memory |
|---|---|---|---|---|
| U0100 |
Lost Communication With ECM/PCM "A" |
No communication with ECM |
| Memorized |
|
U0131 | Lost Communication With Power Steering Control Module |
No communication with power steering ECU (rack and pinion power steering gear assembly) |
| Memorized |
|
U0142 | Lost Communication With Body Control Module "B" |
No communication with main body ECU (multiplex network body ECU) |
| Memorized |
|
U0151 | Lost Communication With Restraints Control Module |
No communication with airbag sensor assembly |
| Memorized |
|
U0155 | Lost Communication With Instrument Panel Cluster (IPC) Control Module |
No communication with combination meter assembly |
| Memorized |
PROCEDURE
| 1. |
GO TO CAN COMMUNICATION SYSTEM |
HINT:
Refer to CAN Communication System.
Click here
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Lost Communication With ECM/PCM "A" (U0100,U0101,U0120,U0126,U0129,U0151,U0155,U0163,U0164,U023A,U0327,U1106,U1117)
DESCRIPTION These DTCs are stored if a CAN communication malfunction occurs between the main body ECU (multiplex network body ECU) and other ECUs.
DTC No. Detection Item
DTC Detection Condition
Trouble Area DTC Output from
U0100 Lost Communication With ECM/PCM "A"
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DESCRIPTION Refer to DTC P219519. Click here
HINT:
When any of these DTCs are stored, the ECM enters fail-safe mode. The ECM turns off the air fuel ratio sensor heater in fail-safe mode. Fail-safe mode continues until the engine switch is turned off.
Although the DTC titles say oxygen
