LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Chevrolet >> 2014 >> Volt >> Repair and Diagnosis >> General Information >> OEM General Information >> Vehicle Diagnostic Information - Specifications - Scan Tool Data >> Specifications >> Object Alarm Module Scan Tool Information
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Object Alarm Module Scan Tool Information

Parking Assist Control Module Scan Tool Data Parameters

Parameter System State Expected Value Description
Operating Conditions:  Ignition ON/Engine OFF/Parking Assist ON
Advanced Parking Assist Switch - Active/Inactive The scan tool displays Active or Inactive depending on the state of the advanced parking assist switch.
Calculated Transmission Range Transmission in reverse Varies The scan tool displays Park, Reverse, Neutral, Drive or Unknown depending on the state of the commanded gear.
Front Red LED Parking assist Active, No object in front of the vehicle Off The scan tool displays On and Off.
Parking assist Active, Object between 0.3-0.6 m (1-1.9 ft) in front of the vehicle On
Front Yellow 1 LED Parking assist Active, No object in front of the vehicle Off The scan tool displays On and Off.
Parking assist Active, Object between 1-2.5 m (3.3-8.2 ft) in front of the vehicle On
Front Yellow 2 LED Parking assist Active, No object in front of the vehicle Off The scan tool displays On and Off.
Parking assist Active, Object between 0.6-1 m (1.9-3.3 ft) in front of the vehicle On
Parking Assist Attached Object Status - Yes/No The scan tool displays Yes or No. Yes is displayed if there is an object within the measuring range of the object sensors.
Parking Assist Chime - Varies The scan tool displays On or Off. On is displayed if there is an object within the measuring range of the object sensors.
Parking Assist Disable History 1 - Varies The scan tool displays None, Manual Disable, Park Brake Applied, Trailer or Other Attached Object, Excessive Speed in Reverse, No or Invalid Sensor Signals, Sensor Disturbance, Sensors Dirty, Sound Signal Return Time Not Plausible. This is the state of the park assist disable history.
Parking Assist Disable History 2 - Varies The scan tool displays None, Manual Disable, Park Brake Applied, Trailer or Other Attached Object, Excessive Speed in Reverse, No or Invalid Sensor Signals, Sensor Disturbance, Sensors Dirty, Sound Signal Return Time Not Plausible. This is the state of the park assist disable history.
Parking Assist Disable History 3 - Varies The scan tool displays None, Manual Disable, Park Brake Applied, Trailer or Other Attached Object, Excessive Speed in Reverse, No or Invalid Sensor Signals, Sensor Disturbance, Sensors Dirty, Sound Signal Return Time Not Plausible. This is the state of the park assist disable history.
Parking Assist Disable History 4 - Varies The scan tool displays None, Manual Disable, Park Brake Applied, Trailer or Other Attached Object, Excessive Speed in Reverse, No or Invalid Sensor Signals, Sensor Disturbance, Sensors Dirty, Sound Signal Return Time Not Plausible. This is the state of the park assist disable history.
Parking Assist Disable History 5 - Varies The scan tool displays None, Manual Disable, Park Brake Applied, Trailer or Other Attached Object, Excessive Speed in Reverse, No or Invalid Sensor Signals, Sensor Disturbance, Sensors Dirty, Sound Signal Return Time Not Plausible. This is the state of the park assist disable history.
Parking Assist Disable History 6 - Varies The scan tool displays None, Manual Disable, Park Brake Applied, Trailer or Other Attached Object, Excessive Speed in Reverse, No or Invalid Sensor Signals, Sensor Disturbance, Sensors Dirty, Sound Signal Return Time Not Plausible. This is the state of the park assist disable history.
Parking Assist Disable History 7 - Varies The scan tool displays None, Manual Disable, Park Brake Applied, Trailer or Other Attached Object, Excessive Speed in Reverse, No or Invalid Sensor Signals, Sensor Disturbance, Sensors Dirty, Sound Signal Return Time Not Plausible. This is the state of the park assist disable history.
Parking Assist Sensors - Varies The scan tool displays On or Off.
Parking Assist Sensors Reference Voltage - 7.3-9.1 V The scan tool displays V. This is the amount of voltage being sent to the object sensors.
Parking Assist Speaker Voltage - V The scan tool displays V depending on the voltage supplied to the parking assist speaker.
Parking Assist Switch - Varies The scan tool displays Active or Inactive depending on the state of the parking assist switch.
Parking Assist Switch LED - Varies The scan tool displays On or Off depending on the state of the parking assist switch LED.
Parking Assist System Status - Enable The scan tool displays Disable, Enable, Inhibited or Failed. This is the state of the parking assist system.
Power Mode - Run The scan tool displays Off, Accessory, Run or Crank. This is the state of the ignition switch.
Rear Red LED Parking assist Active, No object behind the vehicle Off The scan tool displays On and Off.
Parking assist Active, Object between 0.3-0.6 m (1-1.9 ft) behind the vehicle On
Rear Yellow 1 LED Parking assist Active, No object behind the vehicle Off The scan tool displays On and Off.
Parking assist Active, Object between 1-2.5 m (3.3-8.2 ft) behind the vehicle On
Rear Yellow 2 LED Parking assist Active, No object behind the vehicle Off The scan tool displays On and Off.
Parking assist Active, Object between 0.6-1 m (1.9-3.3 ft) behind the vehicle On
Side Object Detection Disable History 1 - Varies The scan tool displays None, Invalid Signal Received, Manual Disable, Sensors Dirty, Temporarily Unavailable or Not Plausible. This is the state of the side object detection disable history.
Side Object Detection Disable History 2 - Varies The scan tool displays None, Invalid Signal Received, Manual Disable, Sensors Dirty, Temporarily Unavailable or Not Plausible. This is the state of the side object detection disable history.
Side Object Detection Disable History 3 - Varies The scan tool displays None, Invalid Signal Received, Manual Disable, Sensors Dirty, Temporarily Unavailable or Not Plausible. This is the state of the side object detection disable history.
Side Object Detection Disable History 4 - Varies The scan tool displays None, Invalid Signal Received, Manual Disable, Sensors Dirty, Temporarily Unavailable or Not Plausible. This is the state of the side object detection disable history.
Side Object Detection Disable History 5 - Varies The scan tool displays None, Invalid Signal Received, Manual Disable, Sensors Dirty, Temporarily Unavailable or Not Plausible. This is the state of the side object detection disable history.
Side Object Detection Disable History 6 - Varies The scan tool displays None, Invalid Signal Received, Manual Disable, Sensors Dirty, Temporarily Unavailable or Not Plausible. This is the state of the side object detection disable history.
Side Object Detection Disable History 7 - Varies The scan tool displays None, Invalid Signal Received, Manual Disable, Sensors Dirty, Temporarily Unavailable or Not Plausible. This is the state of the side object detection disable history.
System Voltage - 11-14 V The scan tool displays V. This is the current battery voltage.
Parking Assist Control Module Scan Tool Output Controls

Output Control Description
Advanced Park Assist LED The parking assist control module illuminates the advanced park assist LED of the when commanded from the scan tool.
Clear Disable History Data The parking assist control module clears the disable history data when commanded from the scan tool.
Front Red LED The parking assist control module illuminates the front red LED of the parking assist indicator when commanded from the scan tool.
Front Yellow 1 LED The parking assist control module illuminates the 1st front yellow LED of the parking assist indicator when commanded from the scan tool.
Front Yellow 2 LED The parking assist control module illuminates the 2nd front yellow LED of the parking assist indicator when commanded from the scan tool.
Rear Red LED The parking assist control module illuminates the rear red LED of the parking assist indicator when commanded from the scan tool.
Rear Yellow 1 LED The parking assist control module illuminates the 1st rear yellow LED of the parking assist indicator when commanded from the scan tool.
Rear Yellow 2 LED The parking assist control module illuminates the 2nd rear yellow LED of the parking assist indicator when commanded from the scan tool.