C1436 – OBD-II DTC

OBD-II DTC C1436 – Accelerometer Rear Circuit Signal Is Not Sensed

DTC C1436 meaning

DTC C1436 refers to a diagnostic trouble code indicating that the rear accelerometer circuit signal is not being sensed by the vehicle’s onboard diagnostic system. This code is typically associated with issues in the vehicle’s stability control or traction control systems, which rely on accelerometer data to function properly.

DTC C1436 symptoms

Common symptoms associated with DTC C1436 may include:

• Illumination of the check engine light or stability control warning light
• Reduced effectiveness of traction control or stability control systems
• Unusual vehicle behavior during acceleration or cornering
• Potential loss of vehicle stability in slippery conditions

DTC C1436 causes

Several factors can lead to the triggering of DTC C1436, including:

• Faulty rear accelerometer sensor
• Wiring issues, such as damaged or corroded connectors
• Short circuits or open circuits in the accelerometer circuit
• Faulty electronic control unit (ECU) or software issues

DTC C1436 seriousness

DTC C1436 is considered a moderate to serious issue, as it can affect the vehicle’s stability and handling. If left unaddressed, it may lead to compromised safety during driving, especially in adverse conditions. It is advisable to diagnose and repair the issue promptly to ensure optimal vehicle performance.

How to diagnose DTC C1436

To diagnose DTC C1436, follow these steps:

1. Use an OBD-II scanner to confirm the presence of the C1436 code.
2. Inspect the rear accelerometer sensor and its wiring for visible damage or corrosion.
3. Check the electrical connections to ensure they are secure and free of debris.
4. Test the rear accelerometer sensor using a multimeter to verify its functionality.
5. Examine the vehicle’s ECU for any software updates or faults.
6. Clear the code and perform a test drive to see if the code reappears.

How to fix DTC C1436 step-by-step instructions

To fix DTC C1436, follow these step-by-step instructions:

1. Start by inspecting the rear accelerometer sensor and wiring for any visible damage.
2. If damage is found, replace the faulty sensor or repair the wiring as necessary.
3. Ensure all electrical connections are clean and secure.
4. Test the new or repaired sensor with a multimeter to confirm it is functioning correctly.
5. Reconnect the sensor and any associated wiring.
6. Clear the DTC using an OBD-II scanner.
7. Perform a test drive to ensure the code does not return and that the vehicle operates normally.

How to erase DTC C1436

To erase DTC C1436, follow these steps:

1. Connect an OBD-II scanner to the vehicle’s diagnostic port.
2. Turn on the vehicle’s ignition without starting the engine.
3. Access the diagnostic trouble codes menu on the scanner.
4. Select the option to clear or erase codes.
5. Confirm the action and wait for the scanner to indicate that the codes have been cleared.
6. Disconnect the scanner and perform a test drive to ensure the code does not reappear.

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.