C1462 – OBD-II DTC

OBD-II DTC C1462 – Left Front Vertical Accelerometer Circuit Failure

DTC C1462 meaning

DTC C1462 refers to a fault in the Left Front Vertical Accelerometer Circuit. This diagnostic trouble code indicates that the vehicle’s onboard diagnostic system has detected an issue with the sensor responsible for measuring vertical acceleration in the left front wheel area. This sensor is crucial for various vehicle stability and safety systems, including traction control and electronic stability control.

DTC C1462 symptoms

Common symptoms associated with DTC C1462 may include:

• Illumination of the check engine light or warning indicator
• Inconsistent or erratic vehicle handling
• Activation of traction control or stability control systems
• Potential issues with anti-lock braking system (ABS)
• Diagnostic scanner may show additional related codes

DTC C1462 causes

Several factors can lead to the occurrence of DTC C1462, including:

• Faulty left front vertical accelerometer sensor
• Wiring issues, such as shorts or open circuits in the sensor harness
• Corrosion or poor connections at the sensor or connector
• Faulty vehicle control module (VCM) or electronic control unit (ECU)
• Mechanical issues affecting the sensor’s operation

DTC C1462 seriousness

The seriousness of DTC C1462 can vary based on the vehicle’s design and the systems affected. However, it is generally considered a moderate to serious issue because:

• It can impact vehicle stability and handling
• It may lead to reduced effectiveness of safety systems
• Ignoring the code could result in further damage or safety risks

How to diagnose DTC C1462

To diagnose DTC C1462, follow these steps:

1. Use an OBD-II scanner to confirm the presence of DTC C1462.
2. Inspect the left front vertical accelerometer sensor and its wiring for visible damage.
3. Check the sensor’s electrical connections for corrosion or looseness.
4. Test the sensor’s resistance and voltage output according to manufacturer specifications.
5. Examine the vehicle control module for any related fault codes.
6. Perform a road test to observe any abnormal vehicle behavior.

How to fix DTC C1462 step-by-step instructions

To fix DTC C1462, follow these steps:

1. Clear the DTC using an OBD-II scanner.
2. If the code reappears, replace the left front vertical accelerometer sensor.
3. Repair any damaged wiring or connectors associated with the sensor.
4. Ensure all connections are secure and free of corrosion.
5. Recheck the system for any additional codes after repairs.
6. Perform a road test to confirm that the issue is resolved.

How to erase DTC C1462

To erase DTC C1462, follow these steps:

1. Connect an OBD-II scanner to the vehicle’s diagnostic port.
2. Turn the ignition key to the “On” position without starting the engine.
3. Access the scanner’s menu and select the option to clear or erase trouble codes.
4. Confirm the action and wait for the scanner to complete the process.
5. Disconnect the scanner and start the vehicle to ensure the code does not return.

Recommended tools for OBD-II diagnostics

Explore our expert picks: The Best OBD2 Scanners for 2025

Easy-to-use Multimeter for reliable diagnostics: AstroAI Auto-ranging Multimeter

Some of the links on this page may be affiliate links, which means we may earn a small commission if you make a purchase. This helps us keep our DTC database up to date and provide valuable content for free. We only recommend products that we have tested and believe to be the best in their class.