C1305 Mercury Code - Longitudinal Accelerometer Signal Fault
Quick Answer
The longitudinal accelerometer is contained in the sensor cluster. Common causes include Faulty Accelerometer/Sensor Cluster, Accelerometer/Sensor Cluster harness is open or shorted, Accelerometer/Sensor Cluster circuit poor electrical connection. 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
- C1305 Mercury indicates Longitudinal Accelerometer Signal Fault .
- Common causes
- Common causes include Faulty Accelerometer/Sensor Cluster, Accelerometer/Sensor Cluster harness is open or shorted, Accelerometer/Sensor Cluster circuit poor electrical connection.
- 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 C1305 Mercury Description
What are the Possible Causes of the DTC C1305 Mercury?
- Faulty Accelerometer/Sensor Cluster
- Accelerometer/Sensor Cluster harness is open or shorted
- Accelerometer/Sensor Cluster circuit poor electrical connection
- Faulty Anti-Lock Brake System (ABS) Module
How to Fix the DTC C1305 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 C1305 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 C1305 Mercury Code
1. What does the OBDII code C1305 mean for a Mercury vehicle?
C1305 indicates a fault with the longitudinal accelerometer signal, which is part of the ABS or traction control system.
2. What are the common symptoms of the C1305 code in a Mercury?
Symptoms may include the ABS or traction control warning light being illuminated, reduced braking performance, or issues with stability control.
3. What causes the C1305 code to be triggered?
Common causes include a faulty longitudinal accelerometer, damaged wiring or connectors, or a malfunctioning ABS control module.
4. Can I still drive my Mercury with the C1305 code active?
While the vehicle may still be drivable, safety features like ABS and traction control may be compromised, so caution is advised.
5. How do I diagnose the C1305 code on a Mercury?
Diagnosis involves using a scan tool to confirm the code, inspecting the accelerometer and its wiring, and testing the ABS control module if necessary.
6. Where is the longitudinal accelerometer located in a Mercury vehicle?
The longitudinal accelerometer is typically located near the center of the vehicle, often under the center console or near the floor.
7. How can I fix the C1305 code on my Mercury?
Repairs may include replacing the faulty accelerometer, repairing damaged wiring or connectors, or reprogramming/replacing the ABS control module.
8. How much does it cost to repair the C1305 code on a Mercury?
Costs vary depending on the issue, but replacing a longitudinal accelerometer typically costs $150–$300, excluding labor.
9. Can a weak battery cause the C1305 code to appear?
Yes, a weak or failing battery can sometimes cause electrical faults, including issues with the accelerometer signal.
10. Will clearing the C1305 code fix the problem permanently?
Clearing the code will turn off warning lights temporarily, but the underlying issue must be addressed to prevent the code from returning.
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