Chrysler
Type:
    Powertrain - Computer and Auxiliary Outputs - ISO/SAE Controlled
Description:
    PCM Fault, SPI Communications Conditions
Cause:
    Key on or engine running, then the PCM detected that the serial communications inside the controller failed 8 times Prior to replacing the PCM, inspect the PCM terminals for a shorted, grounded or open circuit condition

Generic
Type:
    Powertrain - Computer and Auxiliary Outputs - ISO/SAE Controlled
Description:
    Serial Communication Link

GM
Type:
    Powertrain - Computer and Auxiliary Outputs - ISO/SAE Controlled
Description:
    Loss Of Serial Communication Link Conditions
Cause:
    Key on, then the PCM detected that serial data messages were not transmitted to other modules • Refer to code repair chart for instructions on how to replace a PCM or how to reprogram a replacement unit

Infiniti
Type:
    Powertrain - Computer and Auxiliary Outputs - ISO/SAE Controlled
Description:
    AT communication - circuit malfunction
Cause:
    Wiring, TCM

Nissan
Type:
    Powertrain - Computer and Auxiliary Outputs - ISO/SAE Controlled
Description:
    ECM/TCM - communication malfunction
Cause:
    Wiring, ECM, TCM