DTC U0300: Internal Control Module Software Incompatibility
U0300 - INTERNAL CONTROL MODULE SOFTWARE INCOMPATIBILITY
| Description: | This DTC indicates that there are incompatible software levels within the powertrain control module (PCM) that control the electronic throttle control (ETC) system. The ETC system utilizes three different chips (Power PC, TPPC and E-quizzer) within the PCM, each having its own software level and function. The three chips must have the proper level of software in order to communicate and function together. | ||
| Possible Causes: | |||
| Diagnostic Aids: | DTC U0300 can be set in combination with P2105. Check and confirm the correct, latest version of software is present on the PCM, and reflash the PCM if required. | ||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | Refer to the module programming feature on your diagnostic tool and program the powertrain control module (PCM) to the latest level. | ||