DTC B1241-64: Adaptive Speed Limiter Button - Signal plausibility failure: Action

Check for normal adaptive speed limiter switch functionality. If it operates normally then no further action required. If the adaptive speed limiter switch fails to operate normally, it may be due to an internal fault, check and install new transmission shift module as required. Refer to the warranty policy and procedures manual, or determine if any prior approval program is in operation, prior to the installation of a new module/component