B1834

B1834-DRIVER DOOR UNLOCK CONTROL CIRCUIT PERFORMANCE







- When Monitored:
Continuously

- Set Condition:
When the Cluster senses a low or open condition on the (P238) Driver Door Unlock Driver circuit during an unlock command for over 10 seconds, this code will set.





1. TEST FOR INTERMITTENT CONDITION
1. With the scan tool, record and erase DTC's
2. Operate the door locks several times.
3. Cycle the ignition from on to off.
4. Turn the ignition on.
5. With the scan tool, read DTC's.

Does the scan tool display B1834-DRIVER DOOR UNLOCK CONTROL CIRCUIT PERFORMANCE?

Yes

- Go To 2

No

- The conditions that caused this code to set are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors.
- Perform the BODY VERIFICATION TEST. Body Verification Test

2. (P238) DRIVER DOOR UNLOCK DRIVER CIRCUIT SHORT TO GROUND




1. Turn the ignition off.
2. Disconnect the Instrument Cluster C1 connector.
3. Measure the resistance between ground and the (P238) Driver Door Unlock Driver circuit in the Cluster C1 connector.

Is the resistance below 1,000.0 ohms?

Yes

- Repair the (P238) Driver Door Unlock Driver circuit for a short to ground.
- Perform the BODY VERIFICATION TEST. Body Verification Test

No

- Go To 3

3. (P238) DRIVER DOOR UNLOCK DRIVER CIRCUIT SHORTED TO BATTERY




1. Turn the ignition on.
2. Measure the voltage between ground and the (P238) Driver Door Unlock Driver circuit in the Cluster C1 connector.

Is there any voltage present?

Yes

- Repair the (P238) Driver Door Unlock Driver circuit for a short to voltage.
- Perform the BODY VERIFICATION TEST. Body Verification Test

No

- Go To 4

4. (P238) DRIVER DOOR UNLOCK DRIVER CIRCUIT OPEN




1. Turn the ignition off.
2. Measure the resistance between the (P33) Door Lock Driver circuit and the (P238) Driver Door Unlock Driver circuit in the Cluster C1 connector.

Is the resistance above 4.5 ohms?

Yes

- Check and repair (if necessary) the (P33) Door Lock Driver or the (P238) Driver Door Unlock Driver circuit for an open. If the wiring is okay, replace the driver door latch.
- Perform the BODY VERIFICATION TEST. Body Verification Test

No

- Go To 5

5. (P33) DOOR LOCK DRIVER SHORTED TO THE (P238) DRIVER DOOR UNLOCK DRIVER CIRCUIT




1. Measure the resistance between the (P33) Door Lock Driver circuit and the (P238) Driver Door Unlock Driver circuit in the Cluster C1 connector.

Is the resistance below 2.0 ohms?

Yes

- Repair the (P33) Door Lock Driver for a short to the (P240) Passenger Doors Unlock Driver circuit.
- Perform the BODY VERIFICATION TEST. Body Verification Test

No

- Replace the Instrument Cluster.
- Perform the BODY VERIFICATION TEST. Body Verification Test