U1245 Code - Invalid Or Missing Data For Interior Environment
Quick Answer
Modules connected to the class 2 serial data circuit monitor for serial data communications during normal vehicle operation. Common causes include Faulty Module that is not communicating, Module harness is open or shorted, Module 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
- U1245 indicates Invalid Or Missing Data For Interior Environment.
- Common causes
- Common causes include Faulty Module that is not communicating, Module harness is open or shorted, Module 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 U1245 Description
What are the Possible Causes of the DTC U1245?
- Faulty Module that is not communicating
- Module harness is open or shorted
- Module circuit poor electrical connection
How to Fix the DTC U1245?
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 U1245 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 U1245 Code
1. What does OBDII code U1245 mean?
U1245 indicates "Invalid or Missing Data for Interior Environment," which typically points to communication issues between control modules related to interior systems.
2. What are the common symptoms of code U1245?
Symptoms may include malfunctioning climate control systems, inaccurate interior temperature readings, or issues with other interior environment-related features.
3. What causes code U1245 to appear?
Common causes include faulty wiring or connectors, a malfunctioning control module, or interference in the communication network between modules.
4. Can a weak battery cause code U1245?
Yes, a weak or failing battery can disrupt module communication and lead to this code being triggered.
5. How do I diagnose code U1245?
Start by checking the wiring and connectors for damage, inspect related control modules, and use a scan tool to monitor communication signals between modules.
6. Can I drive my vehicle with code U1245?
While the vehicle may still be drivable, interior environment features like climate control may not function correctly, potentially impacting comfort.
7. How do I fix code U1245?
Repair or replace damaged wiring or connectors, update or reprogram faulty modules, and ensure proper power supply to all components.
8. Does code U1245 require module replacement?
Not always. In some cases, the issue can be resolved by repairing wiring or updating software without replacing the module.
9. Can code U1245 be cleared without fixing the problem?
Clearing the code without addressing the issue will likely cause it to reappear, as the underlying problem remains unresolved.
10. Is code U1245 specific to certain car brands?
No, U1245 is a generic communication error code, but its exact implications may vary depending on the vehicle make and model.
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