NHTSA ID Number: 10185732
Manufacturer Communication Number: PIT5386F
Summary
This Preliminary Information communication provides information to the technician about vehicles that are found to have a back-up alarm inoperative during the Pre-Delivery Inspection. On trucks equipped with the Back Up Alarm (RPO 8S3), the alarm will be intentionally left disconnected from the assembly plant. Technician will reroute the harness and plug it in.
30 Affected Products
Vehicles
| MAKE | MODEL | YEAR |
CHEVROLET | SILVERADO 1500 | 2014-2021 |
| CHEVROLET | SILVERADO 2500 | 2015-2021 |
| GMC | SIERRA 1500 | 2014-2021 |
| GMC | SIERRA 2500 | 2015-2021 |
Condition / Concern
Backup alarm is inoperative. Trucks equipped with the Back Up Alarm (RPO 8S3), the alarm will be intentionally left disconnected from the assembly plant.
1 Associated Document
Manufacturer Communications
Bulletin No.: PIT5386F
Published date: 12/14/2020
NHTSA ID Number: 10144462
Manufacturer Communication Number: PIT5386D
Summary
This Preliminary Information communication provides information to the technician about vehicles that are found to have a back-up alarm inoperative during the Pre-Delivery Inspection. On trucks equipped with the Back Up Alarm (RPO 8S3), the alarm will be intentionally left disconnected from the assembly plant. Technician will reroute the harness and plug it in.
1 Associated Document
Manufacturer Communications
Bulletin No.: PIT5386D
Published date: 08/20/2018
MC-10144462-9999.pdf 476.774KB
1 Associated Document
Manufacturer Communications
Bulletin No.: PIT5386A
Published date:
No products found.
This product presentation was made with AAWP plugin.
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Bulletin No.: PIT5386F
Published date: 12/14/2020
Preliminary Information
PIT5386F Back Up Alarm Inoperative and needs to be Connected During PDI
Product Investigation Review Required
Models
| Brand: | Model: | Model Years: | VIN: | Engine: | Transmissions: | |
| from | to | |||||
| Chevrolet |
Silverado 1500 | 2014 – 2021 | All All All | All | ||
| Chevrolet |
Silverado 2500/3500 | 2015 – 2021 | All | All | All | All |
| GMC | Sierra 1500 | 2014 – 2021 | All All All | All | ||
| GMC | Sierra 2500/3500 | 2015 – 2021 | All | All | All | All |
Supersession Statement
This PI was superseded to update the model years and Correction. Please discard PIT5386E.
The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this PI.
Condition / Concern
During the PDI it may be noticed that the backup alarm is inoperative. Trucks equipped with the Back Up Alarm (RPO 8S3), the alarm will be intentionally left disconnected from the assembly plant.
Recommendations / Instructions
- For 2020/2021 3500 Chassis Cab models (31003, 31043, and 31403) the back up alarm is not installed on the truck’s frame and it has been left loose inside the cab from the assembly plant. It is the up tters responsibility to mount the back up alarm and splice into the reverse circuit. The labor op listed below does not apply to these vehicles because no additional work is needed during PDI.
- For All Other Trucks, the alarm is located on the right rear of the frame, and the chassis harness alarm connector is located on the left rear of the frame. Route the harness up and over the spare tire hoist tube and connect to the backup alarm.
- Back Up Alarm/Connector
- Chassis Harness Alarm Connector
Warranty Information
For vehicles repaired under the Bumper-to-Bumper coverage (Canada Base Warranty coverage), use the following labor operation. Reference the Applicable Warranties section of Investigate Vehicle History (IVH) for coverage information.
| Labor Operation | Description | Labor Time |
| 0590032 | PDI – Dealer Installed – Factory Invoiced Options | Use Published Labor Operation Time |
Please follow this diagnostic or repair process thoroughly and complete each step. If the condition exhibited is resolved without completing every step, the remaining steps do not need to be performed.
Additional SI Keywords
backup reverse shift
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