2014 Jeep Wrangler JK Factory Service Manual 28 - DTC-Based Diagnostics

B1935-PASSENGER DOOR LOCK/UNLOCK SWITCH CIRCUIT STUCK

For a complete wiring diagram, refer to the Wiring Information.





Theory of Operation

This trouble code is for the Right Door Lock Switch for all vehicles including right hand drive.


Possible Causes

(G160) RIGHT DOOR LOCK SWITCH MUX CIRCUIT PARTIAL SHORTED TO GROUND
(G160) RIGHT DOOR LOCK SWITCH MUX CIRCUIT SHORTED TO THE (P37) DOOR LOCK SWITCH RETURN
DOOR LOCK SWITCH SHORTED TO GROUND
TOTALLY INTEGRATED POWER MODULE (TIPM)

1. TEST FOR INTERMITTENT CONDITION


1. With the scan tool, record and erase DTCs.
2. Operate the Right Door Lock Switch in all positions several times.
3. Cycle the ignition from on to off.
4. Turn the ignition on.
5. With the scan tool, read DTCs.


Does the scan tool display B1935-PASSENGER DOOR LOCK/UNLOCK SWITCH CIRCUIT STUCK?

Yes


No


2. DOOR LOCK SWITCH SHORTED


1. With the scan tool, erase DTCs.
2. Disconnect the Right Door Lock Switch connector.
3. With the scan tool, read DTCs.


Does the scan tool display B1935-PASSENGER DOOR LOCK/UNLOCK SWITCH CIRCUIT STUCK?

No


Yes


3. (G160) RIGHT DOOR LOCK SWITCH MUX CIRCUIT PARTIAL SHORTED TO GROUND


1. Turn the ignition off.
2. Disconnect the TIPM C7 harness connector.
3. Measure the resistance between ground and the (G160) Right Door Lock Switch Mux circuit.


Is the resistance below 10k Ohms?

Yes


No


4. (G160) RIGHT DOOR LOCK SWITCH MUX CIRCUIT SHORTED TO THE (P37) DOOR LOCK SWITCH RETURN


1. Measure the resistance between the (G160) Right Door Lock Switch Mux circuit and the (P37) Door Lock Switch Return circuit.


Is the resistance below 10k Ohms?

Yes


No