What Does C1461 Mean?
This code indicates the vehicle accelerometer power supply circuit is shorted to battery voltage. The module detects an abnormally high voltage on the regulated power line that should be carrying 5V or 8V to the accelerometer sensors. Battery voltage (12-14V) on this line can damage the accelerometer sensors' internal electronics and will cause the module to shut down the supply to protect the sensors and itself.
Safety Warning
Battery voltage on the accelerometer supply rail may have destroyed the accelerometer sensors in addition to disabling stability control. This fault requires immediate attention as continued operation could propagate damage to the ABS/ESC module's internal circuitry.
Common Causes
40%
Accelerometer power supply wire making contact with a 12V power wire due to insulation damage in a shared harness bundle
25%
Connector cross-pin short where the regulated power pin contacts an adjacent battery voltage pin within the sensor or module connector
20%
ABS/ESC module internal voltage regulator failure causing unregulated battery voltage to pass through to the sensor power output
15%
Incorrect wiring from a prior repair or aftermarket accessory installation that has jumpered battery voltage to the sensor supply line
Diagnostic Steps
1
Step 1: Measure the voltage on the accelerometer power supply pin at any sensor connector with key on. If battery voltage (12V+) is present on what should be a regulated 5V or 8V supply, the short to battery is confirmed.
2
Step 2: Disconnect the ABS/ESC module and recheck the voltage at the sensor connector. If battery voltage is still present with the module disconnected, the short is in the wiring harness between the module and sensors.
3
Step 3: Trace the accelerometer power wire through the harness, looking for areas where it may be bundled near battery feed wires. Pay attention to connector pass-throughs, firewall grommets, and areas near the battery or fuse box where power distribution wiring is concentrated.
4
Step 4: Check all accelerometer sensors for damage from exposure to over-voltage. Sensors that were powered with battery voltage may have sustained internal damage and should be tested individually before reuse.
5
Step 5: After repairing the wiring fault, verify regulated voltage is correct at each sensor location before reconnecting the sensors. Clear all codes and perform a full system initialization to recalibrate the accelerometer inputs.
Estimated Repair Cost
$200 - $1,200
Parts + labor, varies by vehicle and location
This code indicates the vehicle accelerometer power supply circuit is shorted to battery voltage. The module detects an abnormally high voltage on the regulated power line that should be carrying 5V or 8V to the accelerometer sensors. Battery voltage (12-14V) on this line can damage the acceleromete...
The most common cause of C1461 (Vehicle Accelerometer Power Circuit Short to Battery) is: Accelerometer power supply wire making contact with a 12V power wire due to insulation damage in a shared harness bundle
Typical repair costs for C1461 range from $200 to $1,200, depending on the vehicle, location, and whether you do it yourself or go to a shop.
Battery voltage on the accelerometer supply rail may have destroyed the accelerometer sensors in addition to disabling stability control. This fault requires immediate attention as continued operation could propagate damage to the ABS/ESC module's internal circuitry.
Start by connecting an OBD2 scanner to read the code and any freeze frame data. Then follow the diagnostic steps specific to C1461 to identify the root cause.
OBDHut Mobile App
Scan codes directly from your car with the OBDHut app.
Coming Soon
Quick Info
Category
Chassis
System
ABS / Electronic Stability Control / Accelerometer System
Difficulty
Type
Manufacturer
Recommended Tools
OBD2 Scanner
A quality scan tool helps you read codes, view live data, and clear faults.
