1230 code(s) in this category. Page 5 of 52. Select one to see the detailed diagnosis.
Red (U)
Bus G high-side line open. A communication loss with this module breaks any function relying on its data — dia…
Bus G high-side line voltage below expected range. A communication loss with this module breaks any function r…
Bus G high-side line voltage above expected range. A communication loss with this module breaks any function r…
Bus G low-side line open. A communication loss with this module breaks any function relying on its data — diag…
Bus G low-side line voltage below expected range. A communication loss with this module breaks any function re…
Bus G low-side line voltage above expected range. A communication loss with this module breaks any function re…
Bus C (third CAN bus, often used for chassis or infotainment) has entered the bus-off state. All modules on Bu…
Bus C shows degraded performance with elevated error counters but has not yet gone bus-off. Sporadic message l…
Bus H error counters or message rate out of spec. A communication loss with this module breaks any function re…
Bus H high-side line open. A communication loss with this module breaks any function relying on its data — dia…
Bus H high-side line voltage below expected range. A communication loss with this module breaks any function r…
Bus H high-side line voltage above expected range. A communication loss with this module breaks any function r…
Bus H low-side line open. A communication loss with this module breaks any function relying on its data — diag…
Bus H low-side line voltage below expected range. A communication loss with this module breaks any function re…
Bus H low-side line voltage above expected range. A communication loss with this module breaks any function re…
Bus H lines shorted together. A communication loss with this module breaks any function relying on its data — …
Generic fault on bus I. A communication loss with this module breaks any function relying on its data — diagno…
Bus I error counters or message rate out of spec. A communication loss with this module breaks any function re…
Generic fault on bus J. A communication loss with this module breaks any function relying on its data — diagno…
Bus J error counters or message rate out of spec. A communication loss with this module breaks any function re…
The vehicle modules cannot communicate with the main engine computer.…
The engine computer cannot communicate with the transmission control module.…
Communication problem between the ECU and the ABS module.…
The airbag system cannot communicate with the other modules.…