C1135 Infiniti Code - CAN Communication Line Or TCM
Quick Answer
The C1135 code in Infiniti vehicles relates to issues with the Controller Area Network (CAN) communication line or the Transmission Control Module (TCM). Common causes include Damaged wiring or connectors in the CAN communication line, Faulty TCM, Malfunctioning transmission solenoid. 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
- C1135 Infiniti indicates CAN Communication Line Or TCM.
- Common causes
- Common causes include Damaged wiring or connectors in the CAN communication line, Faulty TCM, Malfunctioning transmission solenoid.
- 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.
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Code C1135 Infiniti Description
The C1135 code in Infiniti vehicles relates to issues with the Controller Area Network (CAN) communication line or the Transmission Control Module (TCM). The CAN system is responsible for allowing different electronic control units (ECUs) in the vehicle to communicate with each other. The TCM, on the other hand, is responsible for controlling the vehicle's transmission functions. When this code is triggered, it indicates a problem with the communication line or the TCM, which can have significant effects on the vehicle's performance and drivability.
Common Causes of C1135 Infiniti
- Damaged wiring or connectors in the CAN communication line
- Faulty TCM
- Malfunctioning transmission solenoid
- Issues with transmission fluid level or quality
Symptoms of C1135 Infiniti
- Erratic shifting
- Transmission slipping
- Harsh shifts
- Transmission stuck in a single gear
- Transmission warning light illuminated on the dashboard
How to Fix C1135 Infiniti
- Perform a comprehensive diagnostic scan to identify the specific issue causing the C1135 code.
- Inspect and test the wiring and connectors in the CAN communication line for any damage or corrosion.
- Test the TCM for proper functionality and replace if necessary.
- Check the transmission solenoid for proper operation and replace if faulty.
- Inspect the transmission fluid level and quality, and perform a transmission fluid flush and refill if needed.
Cost to Fix C1135 Infiniti
The cost of repairing the C1135 code in an Infiniti vehicle can vary depending on the specific cause of the issue and the extent of the repairs needed. On average, the repair costs for this issue can range from $200 to $800, including parts and labor. It's important to note that the actual cost may be higher or lower based on factors such as the location of the repair shop, the vehicle's make and model, and the type of engine. Additionally, diagnosis time and labor rates can vary, with most auto repair shops charging between $80 and $150 per hour. It is recommended to obtain quotes from multiple repair shops to ensure a competitive price for the repair.
Tech Notes for C1135 Infiniti
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Frequently Asked Questions about C1135 Infiniti Code
1. What does the OBDII code C1135 mean on an Infiniti?
C1135 indicates a problem with the CAN (Controller Area Network) communication between the TCM (Transmission Control Module) and other control modules in the vehicle.
2. What are the common symptoms of the C1135 code on an Infiniti?
Common symptoms include the Check Engine Light turning on, issues with shifting gears, erratic transmission behavior, or the vehicle entering limp mode.
3. What causes the C1135 code to appear in an Infiniti?
The code is typically caused by a faulty TCM, damaged or corroded wiring, a malfunctioning CAN communication line, or poor electrical connections.
4. How do I diagnose the C1135 code on my Infiniti?
Start by checking the wiring and connectors for damage or corrosion, inspect the CAN communication lines, and test the TCM for functionality using a scan tool.
5. Can I still drive my Infiniti with the C1135 code?
While the vehicle may be drivable, it’s not recommended as the transmission may not function properly, leading to potential safety hazards or further damage.
6. How do I fix the C1135 code on an Infiniti?
Repairs may include replacing damaged wiring or connectors, repairing the CAN communication line, or replacing the TCM if it’s determined to be faulty.
7. How much does it cost to repair the C1135 code on an Infiniti?
Repair costs vary depending on the issue but typically range from $100 for minor wiring repairs to over $1,000 if the TCM needs replacement.
8. Can a weak battery cause the C1135 code to appear in an Infiniti?
Yes, a weak or failing battery can cause voltage drops that disrupt CAN communication, potentially triggering the C1135 code.
9. Do I need to reprogram the TCM after replacing it for the C1135 code?
Yes, in most cases, the new TCM will need to be programmed to match your vehicle’s specifications using specialized equipment.
10. Can clearing the code with a scan tool fix the C1135 issue?
Clearing the code may temporarily reset the warning, but the underlying issue must be resolved to prevent the code from returning.
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