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HOMESERVICE MANUALSCHEVROLET2018SILVERADO 2500 HD WT, 2D PICKUP, 6.0L ENG VIN G, RWD, GASREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 2695 (OBJECT DETECTION SYSTEM AND PEDESTRIAN PROTECTION SYSTEM)DIAGNOSTIC INFORMATION AND PROCEDURESDTC P15F7: REAR OBJECT DETECTION CONTROL MODULE TORQUE REQUEST SIGNAL MESSAGE COUNTERDIAGNOSTIC AID
2018 Chevrolet Silverado 2500 HD WT, 2D Pickup, 6.0L Eng VIN G, RWD, Gas

Diagnostic Aid

2018 Chevrolet Silverado 2500 HD WT, 2D Pickup, 6.0L Eng VIN G, RWD, GasSECTION Diagnostic Aid
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2016 GMC Sierra 3500 HD, 2016 GMC Sierra 2500 HD, 2016 GMC Sierra 1500, 2016 Chevrolet Silverado 3500 HD, and 2016 Chevrolet Silverado 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.

This is an informational DTC set by the engine control module. It is set to provide an indication that the rear parking assist control module will not be able to perform as intended. Diagnose any other DTCs first.

NOTE:

During normal diagnostic and/or repair verification technicians may find that a "Service Adaptive Cruise Control" message may be displayed by the rear parking assist control module. Do not replace the rear parking assist control module for this condition.

If the Service Driver Assist System message is on with no DTCs set, perform the following steps:

  1. Remove the key from the ignition, open and close the driver's door to turn off retained accessory power, and wait 60 seconds.
  2. Ignition ON, if the Service Driver Assist message is still present, operate the vehicle at speeds greater than 15 km/h (10 mph) to complete the self test. The rear parking assist control module should request the message to turn OFF.
  3. If the telltales remain ON with no DTCs set after the drive cycle, disconnect the battery for at least 60 seconds then reconnect the battery.
  4. Operate the vehicle at speeds greater than 40 km/h (25 mph), the rear parking assist control module should request all telltale indicators to turn OFF.
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.