C2123 Subaru Code - Transmitter 3 No Data
Quick Answer
The Tire Pressure Monitor (TPM) system checks the tire pressures of all 4 road wheels when the vehicle is driven at speeds above 25 mph (40 km/h), and warns in the event of a loss of pressure by means of a low tire pressure warning light. Common causes include Tire pressure not to factory specifications, Faulty Tire Pressure Transmitter, Faulty Tire Pressure Monitor System (TPMS) Control Module. 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
- C2123 Subaru indicates Transmitter 3 No Data.
- Common causes
- Common causes include Tire pressure not to factory specifications, Faulty Tire Pressure Transmitter, Faulty Tire Pressure Monitor System (TPMS) Control Module.
- 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 C2123 Subaru Description
What are the Possible Causes of the DTC C2123 Subaru?
- Tire pressure not to factory specifications
- Faulty Tire Pressure Transmitter
- Faulty Tire Pressure Monitor System (TPMS) Control Module
How to Fix the DTC C2123 Subaru?
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.
Code Tech Notes
If the warning light is still on after adjusting tire pressure, check for a damaged tire and repair as necessary. If warning light blinks 25 times and then illuminates, and there is not a tire without a tire pressure sensor installed, there is a malfunction in the TPM system. See appropriate manufacturer service information.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the C2123 Subaru 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.
Need more information about the C2123 Subaru code?
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Frequently Asked Questions about C2123 Subaru Code
1. What are the common symptoms of OBDII code C2123 in a Subaru related to Transmitter 3 No Data?
- Common symptoms include issues with the keyless entry system, difficulty starting the vehicle, and warning lights on the dashboard.
2. What can cause the OBDII code C2123 in a Subaru indicating Transmitter 3 No Data?
- The code C2123 can be caused by a faulty key fob transmitter, a problem with the receiver unit, or issues with the wiring and connections.
3. How can I diagnose the OBDII code C2123 in my Subaru related to Transmitter 3 No Data?
- To diagnose this code, you can start by checking the battery in the key fob, ensuring it is transmitting signals, inspecting the receiver unit, and examining the wiring for any damage.
4. Are there any quick fixes for OBDII code C2123 in a Subaru?
- A quick fix could involve replacing the battery in the key fob, reprogramming the key fob, or checking and securing any loose wiring connections.
5. Can I continue to drive my Subaru with the OBDII code C2123 related to Transmitter 3 No Data?
- While the vehicle may still be operable, it is recommended to address the issue promptly to prevent potential problems with starting the vehicle or the keyless entry system.
6. How much does it typically cost to repair OBDII code C2123 in a Subaru?
- The cost of repair can vary depending on the root cause of the issue, but it may range from replacing the key fob battery to more extensive repairs involving the receiver unit or wiring.
7. Will resetting the OBDII code C2123 in my Subaru make it go away permanently?
- Resetting the code may temporarily clear it, but if the underlying issue such as a faulty key fob or wiring problem is not addressed, the code is likely to reappear.
8. Is it possible to prevent OBDII code C2123 related to Transmitter 3 No Data in my Subaru?
- Regularly checking the condition of the key fob, replacing the battery when needed, and ensuring proper maintenance of the keyless entry system can help prevent this code from occurring.
9. Can a DIY enthusiast fix OBDII code C2123 in a Subaru?
- Depending on the cause of the code, some DIY enthusiasts may be able to address the issue by replacing the key fob battery or checking and securing wiring connections. However, more complex problems may require professional assistance.
10. How long does it usually take to repair OBDII code C2123 in a Subaru?
- The repair time can vary based on the specific cause of the issue. Simple fixes like replacing the key fob battery can be done quickly, while more involved repairs may take longer, potentially a few hours to a day.
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