# Service bulletin PIC5720B

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

- Type: Service bulletin
- NHTSA id: 10095525
- Published by NHTSA: 2017\-03\-17
- Manufacturer's number: PIC5720B
- Manufacturer's date: 2016\-02\-18
- NHTSA component: ELECTRICAL SYSTEM:WIRING; SERVICE BRAKES, AIR:ANTILOCK

## NHTSA's summary

THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ON THE STEPS NEEDED TO DIAGNOSE AND REPAIR VEHICLES THAT MAY HAVE BUZZ OR HUM NOISE IS HEARD IN THE RIGHT FRONT AT TIMES. ALSO MAY HAVE A ANTILOCK BRAKING SYSTEM MALFUNCTION INDICATOR LAMP, SERVICE BRAKE ASSIST MESSAGE OR SERVICE ENGINE SOON MALFUNCTION INDICATOR LAMP MAY BE DISPLAYED. THE FOLLOWING DIAGNOSTIC TROUBLE CODE MAY BE SET C027B, C0040 AND P0CBE. THE TECHNICIAN WILL INSPECT FOR THE WIRE HARNESS UNDER THE HOOD TO BE CONTACTING THE CRANK PULLEY, AIR CONDITIONING COMPRESSOR PULLEY OR ACCESSORY DRIVE BELT DUE TO MISROUTING OR NOT SECURED PROPERLY. REPAIR WIRING AS NEEDED OR REPLACE THE HARNESS, CORRECT ROUTING AND PROPERLY SECURE. ONCE WIRING REPAIRS ARE COMPLETE CONFIRM PROPER BRAKE BOOSTER VACUUM PUMP OPERATION.

## The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

## Components

Brakes, Electrical system, Anti\-lock brakes, Wiring and fuses

## Trouble codes named

C0040, C027B, P0CBE

## Vehicles listed

- 2012 to 2014 BUICK LACROSSE
- 2012 to 2014 BUICK REGAL
- 2014 CHEVROLET IMPALA
- 2013 to 2014 CHEVROLET MALIBU
- 2013 CHEVROLET MALIBU ECO

## Recalls for the same vehicles and component

- [13V566000](/recalls/nhtsa/13V566000.md), 2013-11-13: SEATS:FRONT ASSEMBLY:POWER ADJUST; ELECTRICAL SYSTEM:WIRING

## Other bulletins for the same vehicles and component

- [PIP5146](/bulletins/10253405.md), 2024-04-22, Service bulletin: SERVICE BRAKES, AIR:ANTILOCK:CONTROL UNIT/MODULE; ELECTRICAL SYSTEM:SOFTWARE. Chatter Or Bind Feel On Turns.
- [130089008](/bulletins/10246630.md), 2023-12-11, Service bulletin: ELECTRICAL SYSTEM:WIRING. GM Wiring Repair Strategy Information
- [PIT5962](/bulletins/10230693.md), 2023-01-30, Service bulletin: ELECTRICAL SYSTEM:WIRING. This Preliminary information communicates a GM part number for reflective high temperature heat or insulating tape when repairing wiring harnesses.
- [PIT5569B](/bulletins/10217764.md), 2022-08-15, Service bulletin: ELECTRICAL SYSTEM; EQUIPMENT; SERVICE BRAKES, AIR:ANTILOCK:WHEEL SPEED SENSOR. This Preliminary information communicates direction and examples when diagnosing multiple DTCs, one of which includes U\*\*\*\* Byte 71 DTC.
- [PIC5852C](/bulletins/10178316.md), 2020-08-10, Service bulletin: EQUIPMENT; ELECTRICAL SYSTEM:WIRING; EQUIPMENT ADAPTIVE/MOBILITY. This Preliminary Information communication provides information to the technician about vehicles that when attempting to start vehicle "No Fob Detected" message is displayed. Technician will find the Key FOB works and the vehicle will start with the key FOB is placed in the pocket. Technician will need to replace the Key FOB with the Key FOB with Passive Entry Passive Start.
- [PIT3271J](/bulletins/10168960.md), 2019-12-09, Service bulletin: WHEELS; SERVICE BRAKES, AIR:ANTILOCK. This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. General Motors will only support a tire calibration for tires that have been sized, tested and designed for the vehicle in question and its applications. Technician should not use the information that is provided by the antilock braking system tire size selection.
- [100089005G](/bulletins/10159575.md), 2019-05-13, Service bulletin: ELECTRICAL SYSTEM:WIRING. This warranty admin bulletin explains to the technician additional information may be needed when submitting transactions when doing wiring repairs.
- [PIC5894A](/bulletins/10156910.md), 2019-04-08, Service bulletin: ELECTRICAL SYSTEM; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; ELECTRICAL SYSTEM:WIRING. This Preliminary Information communication provides information to the technician about vehicles that have multiple Instrument Panel Cluster warning indicators on and/or warning messages being displayed on the Driver Information Center. Technician may find Diagnostic Trouble Codes U0073, U0077, U0078, U0121, U0126, U0151, U0155, U0164, U0186, U0415, U0422, and U0428. Technician will need to inspect for a pinch DLC branch in the Instrument Panel harness behind the Instrument Panel Carrier.
- [17NA154](/bulletins/10154645.md), 2019-03-18, Service bulletin: ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:WIRING. This technical bulletin provides a procedure to replace the side object detection wiring and harness if inspection finds water and/or corrosion in the harness or modules.
- [100089005H](/bulletins/10154629.md), 2019-03-18, Service bulletin: ELECTRICAL SYSTEM:WIRING. This warranty admin bulletin explains to the technician additional information may be needed when submitting transactions when doing wiring repairs.

JSON: [/v1/bulletins/10095525](/v1/bulletins/10095525)

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