| “This site contains affiliate links for which OEMDTC may be compensated” |
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
Loading...
Reload document 
Open in new tab
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
Loading...
1 Associated Document
Manufacturer Communications
Bulletin No.: PIT5386A
Published date:
Loading...
| “This site contains affiliate links for which OEMDTC may be compensated” |
Bestseller No. 1
MIRKOO Backup Alarm 110dB 12V-80V DC Waterproof Industrial Heavy-Duty Backup Reverse Warning Alarm with Super Loud Beeper Tone for Truck Van Freight Car Lorry Heavy Vehicles (110dB-1PC)
- HIGH SOUND LEVEL: MIRKOO backup alarm can make a powerful beeping sound that is 110dB(±3dB). Nobody will ignore this beeping sound when you are reversing vehicle.
- PREMIUM QUALITY: MIRKOO backup alarm is made from premium quality materials to ensure durability and longevity. High decibel, good sound quality, low current, and long lifespan. It can work in a variety of temperature environments, no matter you are in Florida or Alaska.
- EASY TO INSTALL: Our backup alarm is very easy to install, you just need to splice a wire from the positive screw terminal to the power wires of the reverse light or a reverse switch installed on the dashboard, then splice a wire to the ground(Negative wire).
- UNIVERSAL FIT: MIRKOO backup alarm is designed to work on 12-80 Volt DC vehicles. It will automatically adjust to a voltage range of 12-80 volt vehicles. Including Trucks Vans Freight Vehicles Cars Lorries SUV.
- Manufacturer sales
Bestseller No. 2
ECCO 530 Back-Up Alarm
- Alarm: Back-Up 102Db 12-24VDC
- Made in China
- Package Dimensions : 4.06 L x 1.88 H x 2.88 W (inches)
- Package Weight : 0.75 pounds
Bestseller No. 3
MIRKOO Backup Alarm 110dB 12V-80V DC Waterproof Industrial Heavy-Duty Backup Reverse Warning Alarm Super Loud Beeper for Truck Van Freight Car Lorry Heavy Vehicles (Equipped with wires-6PC)
- HIGH SOUND LEVEL: MIRKOO backup alarm can make a powerful beeping sound that is 110dB(±3dB). Nobody will ignore this beeping sound when you are reversing vehicle.
- PREMIUM QUALITY: MIRKOO backup alarm is made from premium quality materials to ensure durability and longevity. High decibel, good sound quality, low current, and long lifespan. It can work in a variety of temperature environments, no matter you are in Florida or Alaska.
- EASY TO INSTALL: Our backup alarm is very easy to install, you just need to splice the positive wire (red wire) to the power wires of the reverse light or a reverse switch installed on the dashboard, then splice another wire(black) to the ground (Negative wire).
- UNIVERSAL FIT: MIRKOO backup alarm is designed to work on 12-80 Volt DC vehicles. It will automatically adjust to a voltage range of 12-80 volt vehicles. Including Trucks Vans Freight Vehicles Cars Lorries SUV.
- Manufacturer sales
Bestseller No. 4
MIRKOO Backup Alarm 110dB 12V-80V DC Waterproof Industrial Heavy-Duty Backup Reverse Warning Alarm with Super Loud Beeper Tone for Truck Van Freight Car Lorry Heavy Vehicles(Equipped with Wire)
- HIGH SOUND LEVEL: MIRKOO backup alarm can make a powerful beeping sound that is 110dB(±3dB). Nobody will ignore this beeping sound when you are reversing vehicle.
- PREMIUM QUALITY: MIRKOO backup alarm is made from premium quality materials to ensure durability and longevity. High decibel, good sound quality, low current, and long lifespan. It can work in a variety of temperature environments, no matter you are in Florida or Alaska.
- EASY TO INSTALL: Our backup alarm is very easy to install, you just need to splice the positive wire (red wire) to the power wires of the reverse light or a reverse switch installed on the dashboard, then splice another wire(black) to the ground (Negative wire).
- UNIVERSAL FIT: MIRKOO backup alarm is designed to work on 12-80 Volt DC vehicles. It will automatically adjust to a voltage range of 12-80 volt vehicles. Including Trucks Vans Freight Vehicles Cars Lorries SUV.
- Manufacturer sales
Bestseller No. 5
CURT 57727 Truck Backup Alarm for 7-Way RV Blade Trailer Wiring , Black
- BACKUP ALARM. This trailer wiring harness extension features an integrated back up alarm that sounds at 97 decibels when your vehicle is in reverse. This promotes safety for your family, friends and others in the immediate vicinity
- WEATHER-RESISTANT. This truck backup alarm comes with a spring-loaded dust cover for the 7-pin wiring socket to protect the terminals from water, dirt and corrosion
- EXTENDER. This trailer wiring back up beeper plugs into your vehicle-side 7-way RV blade socket and extends it out for added clearance from the bumper or trailer hitch
- STANDARD CONNECTION. This back up beeper for trucks plugs into any standard 7-way RV blade and can be used to connect the taillights, brake lights, turn signals, trailer brakes and auxiliary power
- DURABLE CONSTRUCTION. For long-lasting use and a reliable connection, the housing of this truck back up alarm is made from durable black plastic that will never rust or corrode
Bestseller No. 6
HELLA 009148141 Black 9V/48V 110 Db Back-Up Alarm
- HELLA back up alarms guarantee best functionality, optimum fit and long lasting customer satisfaction.
- Original equipment quality back up alarms you can trust from a global leader in automotive technologies for more than 100 years
- Back up alarm comes with an integrated bracket for universal mounting. Protection class: IP6K7 (Resistant to water immersions).
- Sound level: 110 dB(A); Voltage: Multivoltage (9 V - 48V). Dimensions: 2.5" height x 3.9" width.
Bestseller No. 7
MIRKOO Backup Alarm 110dB 12V-80V DC Waterproof Industrial Heavy-Duty Backup Reverse Warning Alarm Super Loud Beeper for Truck Van Freight Car Lorry Heavy Vehicles (Equipped with wires-2PC)
- HIGH SOUND LEVEL: MIRKOO backup alarm can make a powerful beeping sound that is 110dB(±3dB). Nobody will ignore this beeping sound when you are reversing vehicle.
- PREMIUM QUALITY: MIRKOO backup alarm is made from premium quality materials to ensure durability and longevity. High decibel, good sound quality, low current, and long lifespan. It can work in a variety of temperature environments, no matter you are in Florida or Alaska.
- EASY TO INSTALL: Our backup alarm is very easy to install, you just need to splice the positive wire (red wire) to the power wires of the reverse light or a reverse switch installed on the dashboard, then splice another wire(black) to the ground (Negative wire).
- UNIVERSAL FIT: MIRKOO backup alarm is designed to work on 12-80 Volt DC vehicles. It will automatically adjust to a voltage range of 12-80 volt vehicles. Including Trucks Vans Freight Vehicles Cars Lorries SUV.
- Manufacturer sales
SaleBestseller No. 8
![LAMPHUS Backup Sound Alarm for Pickup Truck [112dB] [SAE J994 Class A] [12V - 48V DC] [SoundAlert] Universal Reverse Back-Up Warning Beeper for Industrial Heavy Equipment Forklift Work Van Car Vehicle](https://m.media-amazon.com/images/I/41Su+WGIdPL.jpg "Back Up Alarm Inoperative And Needs To Be Connected During PDI - 2014-2019 Chevrolet Silverado & GMC Sierra 16")
LAMPHUS Backup Sound Alarm for Pickup Truck [112dB] [SAE J994 Class A] [12V - 48V DC] [SoundAlert] Universal Reverse Back-Up Warning Beeper for Industrial Heavy Equipment Forklift Work Van Car Vehicle
- INCREASE SAFETY, REDUCE COSTS - Accidents cut into productivity and cost you valuable time and money. Prevent accidents and reduce your total operating costs with this attention-getting, 112Db backup alarm.
- COMPLIANT AND LEGAL - Your vehicle is an investment. Protect the investment with parts that you can trust. These dependable backup alarms are always thoroughly tested and fully compliant with SAE J994 Type A, CE, and E11 standards.
- LONG-TERM RELIABILITY - Equipped with a heavy-duty body and an impressive IP67 waterproof rating, this solid backup alarm helps to minimize unexpected repairs and reduce the vehicle's overall maintenance costs.
- STREAMLINED INSTALL - Equipped with smart features like reverse polarity protection and a grounded base, this alarm is designed to simplify the install process and get you out of the garage and back on the road.
- STANDARDIZED EQUIPMENT - Whether you're outfitting a truck, forklift, golf cart or all three, this alarm has you covered. With an operating range of 12V - 48V, its universal design helps to consolidate the inventory and simplify your workflow.
SaleBestseller No. 9
MIRKOO Backup Alarm 110dB 12V-80V DC Waterproof Industrial Heavy-Duty Backup Reverse Warning Alarm Super Loud Beeper for Truck Van Freight Car Lorry Heavy Vehicles (Self-Grounding Metal Sheet)
- HIGH SOUND LEVEL: Our MIRKOO backup alarm can make a powerful beeping sound that is 110dB(±3dB). Nobody will ignore this beeping sound when you are reversing vehicle.
- PREMIUM QUALITY: The MIRKOO backup alarm is made from premium quality materials to ensure durability and longevity. It can work in a variety of temperature environments, no matter you are in Florida or Alaska.
- EASY TO INSTALL: Our backup alarm is very easy to install, you just need to splice a wire from the positive screw terminal to the power wires of the reverse light or a reverse switch installed on the dashboard, then splice a wire to the ground(Negative wire).
- UNIVERSAL FIT: The MIRKOO backup alarm is designed to work on 12-80 Volt DC vehicles. It will automatically adjust to a voltage range of 12-80 volt vehicles. Including Trucks Vans Freight Vehicles Cars Lorries SUV.
- Self-Grounding Metal Sheet: When the backup alarm is mounted to a metal surface connected to the ground chassis of your vehicle, the negative screw terminal is self-grounding through the metal sheet that on the backup alarm.
Bestseller No. 10
12V-24V Backup Car Alarm with Flashing LED Light,105dB Back Up Alarm for Truck Car SUV,Universal Car Exterior Accessories with Alert Car Horn Replacement Bracket
- 【Audio+Visual Back Up Alarms】This alarm for car is fast and sensitive, high brightness LED lights can be real-time sensing flashing, flashing warning lights can help you remind pedestrians and other drivers that you are backing up, please do not get close to keep a certain distance, can effectively avoid accidents, help you finish backing up in time, efficient and time-saving.
- 【Product Specification】The backup alarm does not belong to the sticky products, need to be punched to install! The product size is 3.04*2.50*1.51 inches, the power is 10W, the current is 0.2-0.4A, compact and portable, widely used in voltage 12-24V models, cars, trucks, SUVs and large vehicles excavators, special vehicles, construction machinery and so on. Convenient for heavy vehicles to steer and reverse reminders during traveling.
- 【Loud Alert】Backup car alarm system adopts high sound level design, the warning sound is up to 105db, can convey high-definition and thorough sound signal for you when you are backing up, avoiding the embarrassment of sitting in the car and not being able to hear the warning sound, listening to the sound to recognize the direction of reversal , so that backing up becomes easier and faster and no longer be a driving trouble.
- 【Premium ABS Materials】The reverse car alarm is made of ABS material, hard structure, not easy to crack and malfunction, long service life. ABS material is machine polished, smooth edges without burrs, excellent closure effect brings great water-resistant, to keep that it will not be damaged even if it is exposed to the external environment for a long time, to give you a better using experience.
- 【Installation Note】You need to bring your own drill, a screwdriver and two screws. First of all, make the installation point is on the rear of the car or bumper. Secondly, drill the holes and put the screw holes of the alarm with it against it and tighten the screws. Finally, connect the wires, the red wire connects to the positive pole, the black wire connects to the negative pole.
Last update on 2025-05-08 / Affiliate links / Images from Amazon Product Advertising API
This product presentation was made with AAWP plugin.
SEOCONTENT-START
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
SEOCONTENT-END
