What Causes PL and .c. Error Code on Tekonsha Prodigy P2 Brake Controller
Question:
My prodigy p2 constantly flashes .c. when not connected to my trailer. Flashes pl when brakes are applied. Thought it may be corrosion so I replaced 7 point plu on truck. What could cause these codes?
asked by: Brian
Expert Reply:
The code ".c." indicates that the boost feature is engaged or the trailer is connected. The best route to fix this issue is to trace the tow package wiring from the 7-way as far foward as possible, looking for any damaged sections. I would also make sure the brake controller wiring is properly connected under the dash.
The code "PL" indicates power interruption while brake pedal is pressed according to the instruction manual for the Tekonsha Prodigy P2 Trailer Brake Controller # 90885 that is linked on this page. This code indicates that the controller is losing power on the black wire when you press the brake pedal or use the manual override. It's likely caused by a loose connection with the black wire so that's the first thing to check.
Also make sure all of the splices under the dash are good and make sure none of the wires are loose at the connector.
I've also linked a help article on troubleshooting brake controllers for you.
Product Page this Question was Asked From
Tekonsha Prodigy P2 Trailer Brake Controller - 1 to 4 Axles - Proportional
- Trailer Brake Controller
- Proportional Controller
- Electric
- Electric over Hydraulic
- Automatic Leveling
- Under-Dash Box
- Dash Mount
- Up to 4 Axles
- LED Display
- Up to 360 Degrees
- Tekonsha
more information >
Featured Help Information
Instructions
Miscellaneous Media
Continue Researching
- Q&A: Troubleshooting Error Codes SH and OL on a Tekonsha Prodigy Brake Controller
- Shop: Buyers Products Heavy-Duty 4" Square Jack w/ Side Pin Drop Leg - Sidewind - 26" Lift - 12K
- Q&A: How to Find Replacement Bearings for UFP Trailer Hub 13674
- Search Results: 3370091410h
- Search Results: dm6125~52
- Shop: Demco Actuator Cap for Master Cylinder
- Shop: Brake Controller
- Shop: Replacement Shock Absorber Spring Kit for Dexter Brake Actuators
- Shop: Lippert 1621 5th Wheel Pin Box - 15,500 lbs
- Shop: Valterra Rotating Adapter for Rigid RV Sewer Pipe - 3" Hub to 3" Bayonet - Black Plastic
- Shop: Lippert 1621HD 5th Wheel Pin Box - 18,000 lbs
- Video: Lippert 1621HD 5th Wheel Pin Box Installation - 2010 Starcraft Homestead Fifth Wheel
- Q&A: Diameter of the Replacement Shock Absorber # 1844-2
- Q&A: Trailer Brake Controller for a 2021 Volvo XC90 with a Factory 7-Way Package
- Video: Trailer Brake Controller Wire Testing
- Shop: Universal Installation Kit for Trailer Brake Controller - 7-Way RV and 4-Way Flat - 10 Gauge Wires
- Q&A: Trailer Lights Don't Work When Headlights are On
- Search Results: prodigy p2
- Search Results: brake controller
- Article: Brake Controller 7- and 4-Way Installation Kit (ETBC7)
- Article: Troubleshooting Brake Controller Installations
- Search Results: 44649
- Video: Choosing the Right Brake Controller
- Shop: Trailer Hitch
- Q&A: What is the Difference Between a 4-Way and 7-Way Trailer Connector
- Search Results: 68149
- Article: Trailer Wiring Diagrams
- Q&A: Adding Brakes to a Mobile Home Axle
- Shop: Trailer Wiring
- Video: Choosing the Right Trailer Wiring