How to troubleshoot electric door locks step 1.
Power door lock circuit.
Power door lock circuit poor electrical connection.
If there are no external door lock switches you will most likely have a vacuum type system or an aftermarket door lock system with relays or have an added actuator that needs relays.
Locate the harness plugged directly into the back of the door lock switch.
Power door lock harness is open or shorted.
Faulty body control module bcm.
Vehicles have one door unlock system that controls all of the door locks as well as the trunk lock so the b1310 code applies to all of the vehicle s locks.
Check the fuses and circuit breakers especially if none of the power door locks work.
A quick pull on this point and the door is unlocked.
The b1310 code is a generic obd ii trouble code that detects a circuit malfunction with the power door unlock system.
What the officer is doing with the metal strip is fishing around until he or she hooks onto the point that the knob and actuator connect to.