How can I fix code B1318 on 2003 ford windstar

Question

What does the code B1318 actually mean. And what is the cure.

Answer 1

B1318 Battery voltage low

This code condition deal with the Speed Control Servo. Being battery voltage low the charging system should be inspected and corrected.If good the ground section of the speed control needs to be check and if  the resistance is less than 5 OHMS ,check for any DTC and brake light operation ,if good the speed servo is suspected as non operational,