U0300 - Internal Control Module Software Incompatibility
U0300 - INTERNAL CONTROL MODULE SOFTWARE INCOMPATIBILITY
| Description: | This DTC indicates that there are incompatible software levels within the PCM that control the Electronic Throttle Control (ETC) system. The ETC system utilizes three different chips (Power PC, TPPC and Equizzer) 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 | Go to the Module Reprogramming feature on your scan tool and reprogram the PCM to the latest level. | ||