What Do Flashing Codes Mean on Primus IQ Trailer Brake Controller TK90160

Question:

why does the light keep blinking after just installing in vehicle

asked by: Jon E

Expert Reply:

The Primus IQ trailer brake controller # TK90160 has a display that will blink with different codes to indicate the controller's connection status to your vehicle and to your trailer. The troubleshooting chart taken from the linked instructions shows these various codes and what they mean. For instance, if the display shows "n.c." this means that the controller has sensed that it does not have a connection to the brake circuit on the trailer. This can be due to the trailer being disconnected, corrosion on the connector contacts or a problem with the wiring in the trailer brake circuit.

If the code you see does not appear in the linked chart please let me know what is displayed on the screen.

expert reply by: Adam R