AutoCodes – Infiniti – P1212 2003 Infiniti G35

P1212 2003 Infiniti G35 Code - TCS Communication Line

Quick Answer

This Control Area Network (CAN) communication line is used to control the smooth engine operation during the Anti-Lock Brake System (ABS) or Traction Control System (TCS) operation. Common causes include Dead (Weak) battery, Faulty ABS actuator and electric unit (control unit), ABS actuator and electric unit harness is open or shorted. 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
P1212 2003 Infiniti G35 indicates TCS Communication Line.
Common causes
Common causes include Dead (Weak) battery, Faulty ABS actuator and electric unit (control unit), ABS actuator and electric unit harness is open or shorted.
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 Popularity 7,326
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jul 13, 2019
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Code P1212 2003 Infiniti G35 Description

This Control Area Network (CAN) communication line is used to control the smooth engine operation during the Anti-Lock Brake System (ABS) or Traction Control System (TCS) operation. Pulse signals are exchanged between Engine Control Module (ECM) and ABS actuator and electric unit (control unit).
OBDII Code P1212 2003 Infiniti G35 - TCS Communication Line - AutoCodes.com
P1212 2003 Infiniti G35 Code - TCS Communication Line

What are the Possible Causes of the DTC P1212 2003 Infiniti G35?

  • Dead (Weak) battery
  • Faulty ABS actuator and electric unit (control unit)
  • ABS actuator and electric unit harness is open or shorted
  • ABS actuator and electric unit circuit poor electrical connection

How to Fix the DTC P1212 2003 Infiniti G35?

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

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1212 2003 Infiniti G35 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 P1212 2003 Infiniti G35 code?

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P1212 2003 Infiniti G35 Code

1. What does the OBDII code P1212 on a 2003 Infiniti G35 indicate?

The P1212 code on a 2003 Infiniti G35 specifically relates to the TCS (Traction Control System) Communication Line.

2. What are the common symptoms of a P1212 code in a 2003 Infiniti G35?

Common symptoms of a P1212 code may include the TCS (Traction Control System) warning light illuminating on the dashboard, traction control system not functioning properly, and potential issues with vehicle stability during driving.

3. What are the potential causes of a P1212 code in a 2003 Infiniti G35?

The P1212 code in a 2003 Infiniti G35 is commonly triggered by faulty wiring or connectors in the TCS communication line, issues with the TCS control unit, or a malfunction in the wheel speed sensors.

4. How can I diagnose the source of a P1212 code in my 2003 Infiniti G35?

Diagnosing a P1212 code typically involves a thorough inspection of the TCS communication line, checking for loose connections, inspecting the TCS control unit, and testing the wheel speed sensors for any faults.

5. Are there any DIY repair tips for fixing a P1212 code on a 2003 Infiniti G35?

While basic checks like verifying connections and wiring can be done by DIY enthusiasts, diagnosing and repairing the exact cause of a P1212 code may require specialized tools and expertise, so it is recommended to consult a professional mechanic.

6. Can driving with a P1212 code on a 2003 Infiniti G35 be dangerous?

Driving with a P1212 code may lead to impaired traction control functionality, potentially affecting vehicle stability and handling in certain driving conditions. It is advisable to address the issue promptly to ensure safe driving.

7. How much does it typically cost to repair a P1212 code on a 2003 Infiniti G35?

The cost of repairing a P1212 code on a 2003 Infiniti G35 can vary depending on the exact cause of the issue, parts required for replacement, and labor costs. It is recommended to obtain quotes from reputable repair shops for an accurate estimate.

8. Can resetting the OBDII system clear a P1212 code on a 2003 Infiniti G35?

Resetting the OBDII system may temporarily clear the P1212 code, but if the underlying issue causing the code is not addressed, it is likely to reappear. It is important to diagnose and fix the root cause of the problem.

9. Is it safe to continue driving my 2003 Infiniti G35 with a P1212 code if the symptoms are not severe?

While minor symptoms may not immediately impact safety, driving with a P1212 code can potentially lead to more serious issues with the traction control system. It is advisable to get the problem diagnosed and repaired as soon as possible.

10. Can a P1212 code in a 2003 Infiniti G35 affect fuel efficiency?

While the direct impact of a P1212 code on fuel efficiency may be minimal, unresolved issues with the traction control system can affect overall vehicle performance, potentially leading to decreased fuel efficiency over time.

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