U1122 Code - Invalid Or Missing Data For Odometer
Quick Answer
The U1122 diagnostic trouble code (DTC) refers to an issue with the vehicle's odometer data. Common causes include Faulty odometer sensor, Wiring issues or loose connections in the odometer system, Malfunctioning control module responsible for processing odometer data. 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
- U1122 indicates Invalid Or Missing Data For Odometer.
- Common causes
- Common causes include Faulty odometer sensor, Wiring issues or loose connections in the odometer system, Malfunctioning control module responsible for processing odometer data.
- 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 U1122 Description
The U1122 diagnostic trouble code (DTC) refers to an issue with the vehicle's odometer data. This code is set when the vehicle's onboard computer system detects that the data being received from the odometer is either invalid or missing. The odometer is responsible for tracking the total distance traveled by the vehicle, which is crucial for various functions such as calculating fuel efficiency, maintenance schedules, and resale value.
Common Causes of U1122
- Faulty odometer sensor.
- Wiring issues or loose connections in the odometer system.
- Malfunctioning control module responsible for processing odometer data.
- Water damage or corrosion affecting the odometer components.
- Software glitches or communication errors within the vehicle's onboard computer system.
Symptoms of U1122
- Inaccurate odometer readings displayed on the instrument cluster.
- Incorrect fuel efficiency calculations.
- Maintenance reminder notifications appearing at incorrect intervals.
- Potential issues with vehicle resale value due to questionable mileage data.
How to Fix U1122
- Begin by conducting a thorough diagnostic scan of the vehicle's onboard computer system to retrieve the specific DTC codes, including the U1122 code.
- Inspect the odometer sensor and wiring for any signs of damage or corrosion. Replace any faulty components as needed.
- Check the control module responsible for processing odometer data for any malfunctions. Reset or replace the module if necessary.
- Perform a system reset to clear the U1122 code from the vehicle's memory.
- Test drive the vehicle to ensure that the odometer readings are now accurate and that the issue has been resolved.
Cost to Fix U1122
The typical repair costs for addressing the U1122 code can vary depending on the specific cause of the issue and the labor rates at the auto repair shop. In general, the repair costs for this issue can range from $100 to $500, including parts and labor. It is important to note that the diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. It is advisable to check local rates for a more precise estimate.
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