B1835

B1835-DRIVER DOOR UNLOCK OUTPUT CIRCUIT SHORTED TO GROUND - CLUSTER

B1835 - Driver Door Unlock Output Circuit Shorted To Ground - Cluster:

WHEN MONITORED
Whenever the cluster is awake.

SET CONDITION
The cluster monitors the driver door unlock output circuit and when it is shorted to ground, this code will set. This DTC will only set when the door locks are unlocked.

POSSIBLE CAUSES
- (P1) Door unlock driver left front circuit shorted to ground
- (P1) Door unlock driver left front circuit shorted to (P5) door unlock driver left rear/liftgate circuit
- (P1) Door unlock driver left front shorted to (P393) door lock driver left doors
- Instrument cluster

Diagnostic Test

1.CHECK FOR ACTIVE DTC B1835- DRIVER DOOR UNLOCK OUTPUT CIRCUIT SHORTED TO GROUND




Turn the ignition on.
With the scan tool, record and erase DTC's.
Turn the ignition off, wait 10 seconds then turn the ignition on.
Try to operate the door locks several times.
With the scan tool, read active DTC's.

Q: Does the scan tool display: B1835-DRIVER DOOR UNLOCK OUTPUT CIRCUIT SHORTED TO GROUND

YES: Go To 2
NO: The condition that caused this code to set is not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors for an intermittent condition. Operate the system several times and recheck for active DTC's.

2. CHECK (P1) DOOR UNLOCK DRIVER LEFT FRONT FOR SHORT TO GROUND





NOTE: If only one motor is inoperative when the door locks are actuated, disconnect that motor and retest to see if the DTC is still present. If it is not, replace the defective motor.

Turn the ignition off.
Disconnect the Cluster C1 connector.
Measure the resistance between ground and the (P1) Door Unlock Driver Left Front circuit.

Q: Is the resistance below 1000.0 ohms?

NO: Go To 3
YES: Repair the (P1) Door Unlock Driver Left Front circuit for a short to ground. Perform BODY VERIFICATION TEST - VER 1. Body Verification Test

3. CHECK THE (P1) DOOR UNLOCK DRIVER LEFT FRONT FOR A SHORT TO THE (P393) DOOR LOCK DRIVER LEFT DOORS




Measure the resistance between the (P1) Door Unlock Driver Left Front and the (P393) Door Lock Driver Left Doors circuits.

Q: Is the resistance below 2.0 ohms?

NO: Go To 4
YES: Repair the (P1) Door Unlock Driver Left Front circuit for a short to the (P393) Door Lock Driver Left Doors circuit. Perform BODY VERIFICATION TEST - VER 1. Body Verification Test

4. CHECK THE (P1) DOOR UNLOCK DRIVER LEFT FRONT CIRCUIT FOR A SHORT TO THE (P5) DOOR UNLOCK DRIVER LEFT REAR/LIFTGATE CIRCUIT




Measure the resistance between the (P1) Door Unlock Driver Left Front circuit and the (P5) Door Unlock Driver Left Rear/Liftgate circuit.

Q: Is the resistance below 3.0 ohms?

NO: Replace the Instrument Cluster in accordance with service information.Perform BODY VERIFICATION TEST - VER 1. Body Verification Test
YES: Repair the (P1) Door Unlock Driver Left Front circuit for a short to the (P5) Door Unlock Driver Left Rear/Liftgate circuit. Perform BODY VERIFICATION TEST - VER 1. Body Verification Test