C1990 Mercury Code - New Control Module Initialization
Quick Answer
The Air Suspension Control Module will set the Diagnostic Trouble Code (DTC) when the Air Suspension Control Module Initialization was not performed. Common causes include Air Suspension Control Module Initialization, Faulty Air Suspension Control Module, Air Suspension Control Module 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
- C1990 Mercury indicates New Control Module Initialization.
- Common causes
- Common causes include Air Suspension Control Module Initialization, Faulty Air Suspension Control Module, Air Suspension Control Module 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.
Code C1990 Mercury Description
What are the Possible Causes of the DTC C1990 Mercury?
- Air Suspension Control Module Initialization
- Faulty Air Suspension Control Module
- Air Suspension Control Module harness is open or shorted
- Air Suspension Control Module circuit poor electrical connection
How to Fix the DTC C1990 Mercury?
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 C1990 Mercury 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 C1990 Mercury Code
1. What does the OBDII code C1990 mean on a Mercury vehicle?
C1990 indicates an issue with the initialization of a new control module, typically after it has been replaced or reprogrammed.
2. What are the common symptoms of code C1990 in a Mercury?
Symptoms may include warning lights on the dashboard, improper system functionality (e.g., ABS, traction control), or failure of the newly installed module to communicate with other systems.
3. What causes the C1990 code to appear in Mercury vehicles?
This code is usually triggered when a new control module is installed but not properly initialized or programmed to communicate with the vehicle's systems.
4. How do I fix the C1990 code on my Mercury?
To fix it, the newly installed control module needs to be properly initialized using a compatible diagnostic scan tool that can perform module programming.
5. Can I drive my Mercury with the C1990 code active?
While the vehicle may still be drivable, system malfunctions (e.g., ABS or traction control) can compromise safety. It’s best to address the issue promptly.
6. What tools are needed to resolve the C1990 code?
You’ll need a professional-grade scan tool capable of performing control module initialization and programming specific to Mercury vehicles.
7. Does the C1990 code always mean the control module is faulty?
No, the control module is not necessarily faulty. The code often points to incomplete or missing initialization rather than a hardware defect.
8. Can I clear the C1990 code without fixing the problem?
Clearing the code without proper initialization may temporarily remove it, but it is likely to reappear until the module is correctly programmed.
9. How much does it cost to fix the C1990 code on a Mercury?
The cost varies depending on labor rates and whether you need professional programming. Typically, programming services range from $100 to $250.
10. Can I initialize a new control module for my Mercury myself?
If you have access to the appropriate diagnostic equipment and software, you can attempt it. However, most car owners will need a professional technician for proper setup.
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