2007-2008 Infiniti G35 ABS Module: Solving VDC/SLIP Lights and Compatibility Issues
This guide covers the common failures, diagnostic codes, and critical compatibility details you need to know before replacing the ABS module on your G35 sedan.
- Compatibility is critical: This module (part # 47660JK50B) is only for 2007-2008 G35 AWD sedans WITHOUT adaptive cruise control.
- The most common failure symptom is the combination of ABS, VDC OFF, and SLIP lights on the dash.
- The module does not require VIN programming, but the brake system must be bled after replacement, and a steering angle sensor reset may be necessary.
- A used OEM module is a viable, cost-effective alternative to a very expensive new unit.
Symptoms of a Failing ABS Control Module
When the ABS module in a 2007-2008 G35 begins to fail, the symptoms are usually very obvious. The car's onboard diagnostic system will detect the fault and alert you through various warning lights on the dashboard.
- ABS, VDC OFF, and SLIP Lights: The most common sign of a problem is having the "ABS," "VDC OFF," and "SLIP" warning lights all illuminate on the instrument cluster simultaneously. This indicates the systems managed by the module are disabled.
- Audible Noise from Engine Bay: In some cases, a failing ABS relay or a fault within the module itself can cause the ABS pump motor to run continuously, even when the car is off. This creates a noticeable buzzing or humming sound from under the hood.
- Braking System Malfunctions: While your normal hydraulic brakes will still work, the anti-lock function will be disabled. In an emergency stop, especially on wet or loose surfaces, the wheels can lock up, causing the car to skid.
- Diagnostic Trouble Codes (DTCs): A proper OBD-II scanner that can read ABS codes will often find specific codes stored in the system. Common codes associated with ABS module failure on these vehicles include C1142 (Pressure Sensor Circuit) and C1130 (Engine Signal 1).
Warning: While many issues can trigger the VDC and SLIP lights, such as bad wheel speed sensors, low brake fluid, or even incorrect tire sizes, a faulty ABS module is a common culprit when all three lights (ABS, VDC, SLIP) appear together.
Known Issues, TSBs, and Recalls
While there are no specific recalls for the ABS control module itself on the 2007-2008 G35 sedan, Nissan/Infiniti has issued recalls for other models due to ABS actuator pump seals leaking brake fluid onto the internal circuit board, which could create an electrical short and, in rare cases, a fire risk. This highlights the importance of addressing ABS warning lights promptly. The most prevalent issues reported by owners in forums relate to internal electronic failures of the module, particularly the pressure sensor, or issues with the ABS pump relay getting stuck.
🎬 Watch: How to replace the ABS relay and fix pump noise.Buying a Used ABS Control Module: Compatibility is Key
Purchasing a used ABS module is a cost-effective way to get your G35 back on the road, but careful verification is essential to avoid buying the wrong part. New OEM units are extremely expensive, making a quality used part an excellent value.
This is the most important step: You must match the part number exactly. For the 2007-2008 Infiniti G35, there are critical differences based on drivetrain and optional features.
- Part Number 47660JK50B: This specific module is for 2007-2008 Infiniti G35 Sedans with All-Wheel Drive (AWD) and WITHOUT adaptive cruise control (also known as Intelligent Cruise Control or ICC).
- AWD vs. RWD: The modules for All-Wheel Drive and Rear-Wheel Drive models are not interchangeable.
- Adaptive Cruise Control: Vehicles equipped with adaptive cruise control use a different ABS module that integrates with that system. This module will not work on those cars.
Pro Tip: Before purchasing, physically inspect the part number printed on the sticker of the used module. Do not rely on a seller's description alone. Confirm it matches 47660JK50B. One dealer parts website notes that this part number has been superseded by 47660-JK55B, but verifying compatibility with your specific vehicle is still recommended.
What to Inspect on a Used Unit
- Connectors: Check the electrical connector pins for any signs of corrosion, which could indicate water intrusion.
- Pump Body: Look for any cracks or damage to the aluminum housing or the brake line ports.
- Signs of Leaks: Inspect the area where the electronic module meets the hydraulic pump for any staining that might suggest a past fluid leak. A seller who ships the unit bone dry may have inadvertently caused internal seals to dry out, potentially leading to pressure-holding issues.
Programming and Installation
Does this module need to be programmed?
No, the ABS control module for the 2007-2008 Infiniti G35 is generally considered a plug-and-play part and does not require VIN programming or flashing by a dealer. However, the replacement process is more involved than simply swapping the part.
🎬 See this step-by-step walkthrough for replacing your ABS module.Post-Installation Procedures:
- Brake Bleeding: After replacing the ABS pump and module assembly, the entire brake system must be thoroughly bled to remove all air. This is a critical step for brake performance and safety. A specific bleeding sequence is often required, which for the G35 is typically: right-rear, left-front, left-rear, then right-front.
- Steering Angle Sensor Reset/Calibration: Sometimes, after ABS system work, the steering angle sensor may need to be reset. If the VDC and SLIP lights return after replacement, especially after turning the steering wheel, this is a likely cause. This procedure can be performed by a dealership or an independent shop with a high-end diagnostic scan tool.
Cost of Replacement
The cost to replace an ABS control module can vary significantly depending on the type of part used.
| Part Type | Estimated Cost |
|---|---|
| New OEM | $1,500 - $1,600+ |
| New Aftermarket | Not commonly available |
| Used OEM | $75 - $250 |
| Remanufactured | $150 - $400 |
| Shop Labor | $150 - $300 (1.5-2.5 hours) |
Frequently Asked Questions (FAQ)
Can I drive my G35 with a bad ABS module?
Yes, but with limitations. Your standard hydraulic brakes will function, but you will not have anti-lock brakes (ABS), traction control (TCS), or vehicle dynamic control (VDC). This means your wheels can lock up and skid during hard braking, and the car will be less stable in slippery conditions or emergency maneuvers. It is highly recommended to get the module replaced as soon as possible for safety.
Do I need a special tool to bleed the brakes after replacing the ABS module?
While a professional pressure bleeder is fastest, the brakes can be bled using the traditional two-person method (one person pumping the pedal, the other opening and closing the bleeder valve). Some advanced scan tools also have a function to cycle the ABS pump to help purge trapped air, but it is not always required if a thorough manual bleed is performed.
My VDC and SLIP lights are on, but the ABS light is not. Is it still the module?
It's less likely. If only the VDC and SLIP lights are on, the issue is more commonly related to other inputs, such as a faulty steering angle sensor, a bad wheel speed sensor, or even engine performance issues like a failing camshaft position sensor. A full diagnostic scan is needed to pinpoint the cause.
Can I just replace the electronic part of the module without the pump?
Yes, this is possible. The electronic control unit is typically held onto the hydraulic pump assembly with a few Torx screws. Swapping only the electronic portion avoids the need to open the hydraulic brake lines, meaning you would not have to bleed the brakes. However, you must be extremely careful not to damage the delicate solenoid plungers and ensure the new module seats correctly. This is an advanced procedure and should be done with caution.
Helpful Videos
Technical Specifications
OEM Part Numbers: 47660JK50B 47660-JK50B 47660-JK55B
Fits 2007-2008 Infiniti G35 Sedan with All-Wheel Drive (AWD) and without adaptive cruise control.
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The information in this article is provided for general reference and educational purposes only. Vehicle specifications, procedures, and part compatibility can vary by production date, trim level, and region. Always consult your vehicle's factory service manual and verify part numbers before purchasing or performing repairs. Safety-critical components such as airbags, seat belts, and braking systems should be installed by a qualified professional.
- Infiniti G35:
- 🎬 Helpful Videos
- 🛍️ Shop This Part
- Symptoms of a Failing ABS Control Module
- Known Issues, TSBs, and Recalls
- Buying a Used ABS Control Module: Compatibility is Key
- What to Inspect on a Used Unit
- Programming and Installation
- Does this module need to be programmed?
- Post-Installation Procedures:
- Cost of Replacement
- Frequently Asked Questions (FAQ)
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