P1819 Infiniti Code - Transfer Control Device
Quick Answer
The transfer control device integrates the actuator motor and actuator position switch. Common causes include Faulty Transfer Shut Off Relay, Transfer Shut Off Relay harness is open or shorted, Transfer Shut Off Relay circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P1819 Infiniti indicates Transfer Control Device.
- Common causes
- Common causes include Faulty Transfer Shut Off Relay, Transfer Shut Off Relay harness is open or shorted, Transfer Shut Off Relay circuit poor electrical connection.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code P1819 Infiniti Description
- Malfunction occurs in transfer control device drive circuit.
- Malfunction is detected in transfer shut off relay 1 and transfer shut off relay 2.
What are the Possible Causes of the DTC P1819 Infiniti?
- Faulty Transfer Shut Off Relay
- Transfer Shut Off Relay harness is open or shorted
- Transfer Shut Off Relay circuit poor electrical connection
How to Fix the DTC P1819 Infiniti?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P1819 Infiniti code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Frequently Asked Questions about P1819 Infiniti Code
1. What does the OBDII code P1819 mean on an Infiniti?
P1819 indicates a problem with the Transfer Control Device, which is responsible for managing the transfer case in all-wheel drive or 4WD vehicles.
2. What are the common symptoms of code P1819 in an Infiniti?
Symptoms may include difficulty shifting into AWD/4WD, warning lights on the dashboard, unusual noises from the drivetrain, or poor handling in slippery conditions.
3. What causes the P1819 code to appear on an Infiniti?
Common causes include a faulty transfer control device, damaged wiring or connectors, software issues in the transfer case control module, or mechanical problems within the transfer case.
4. Can P1819 cause long-term damage to my Infiniti if left untreated?
Yes, ignoring this code may lead to drivetrain issues, reduced vehicle performance, and potential damage to the transfer case or related components.
5. How do I diagnose a P1819 code in my Infiniti?
Diagnosis involves using an OBDII scanner to confirm the code, visually inspecting wiring and connectors, testing the transfer control device, and possibly checking the transfer case for mechanical issues.
6. Can I drive my Infiniti with a P1819 code?
It is not recommended to drive with this code as the transfer case may not function properly, which could affect vehicle handling and safety in certain conditions.
7. How much does it cost to repair a P1819 code on an Infiniti?
Repair costs can vary depending on the exact issue but typically range from $200 to $1,000, including parts and labor.
8. Can a software update fix the P1819 code on an Infiniti?
In some cases, a software update for the transfer case control module may resolve the issue, but this depends on the specific cause of the code.
9. What tools are needed to fix a P1819 code in an Infiniti?
You’ll typically need an OBDII scanner, a multimeter for electrical testing, and basic hand tools. Advanced repairs may require specialized diagnostic equipment.
10. Should I take my Infiniti to a mechanic for a P1819 code?
If you’re not experienced with diagnosing and repairing drivetrain issues, it’s best to take your vehicle to a qualified mechanic to ensure proper repairs.
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