Standalone TCU: Error Codes

If your Standalone TCU is flashing one or multiple of the Gear LEDs if is displaying an Error code the Error codes are listed below.

Codes:

11 - Your base shift down RPM is set same as or higher then your base shift up RPM. 12 - Manual Lockup switch circuit high 13 - Manual Shift Up circuit high 14 - Manual shift down circuit high 23 - Base pressure set too low