1230 code(s) in this category. Page 10 of 52. Select one to see the detailed diagnosis.
Red (U)
A control module that expects to talk to the engine ECU has stopped receiving messages. Most commonly seen by …
The central vehicle control module cannot communicate.…
ECU lost CAN communication with the GPS module. Position-dependent functions (navigation, geofencing) degraded…
ECU lost CAN communication with the A/C compressor control module (electric A/C compressor on hybrids/EVs).…
ECU lost CAN communication with fuel pump control module B. A communication loss with this module breaks any f…
ECU lost CAN communication with exhaust gas sensor module B (often integrates wide-range O2/NOx sensors).…
A control module has detected that bus C is non-functional and shut its bus C interface off. Bus C is typicall…
ECU lost CAN/dedicated-bus communication with restraints system sensor E (airbag/seatbelt sensor). A communica…
ECU lost CAN/dedicated-bus communication with restraints system sensor F (airbag/seatbelt sensor). A communica…
ECU lost CAN/dedicated-bus communication with restraints system sensor G (airbag/seatbelt sensor). A communica…
ECU lost CAN/dedicated-bus communication with restraints system sensor I (airbag/seatbelt sensor). A communica…
ECU lost CAN/dedicated-bus communication with restraints system sensor K (airbag/seatbelt sensor). A communica…
ECU lost CAN/dedicated-bus communication with restraints system sensor L (airbag/seatbelt sensor). A communica…
ECU lost CAN/dedicated-bus communication with restraints system sensor M (airbag/seatbelt sensor). A communica…
ECU lost CAN/dedicated-bus communication with restraints system sensor N (airbag/seatbelt sensor). A communica…
ECU lost communication with seat belt pretensioner module A. Pretensioner function may be unavailable in a cra…
ECU lost communication with seat belt pretensioner module B. Pretensioner function may be unavailable in a cra…