WenmarOpen by Wenmar Pro

Service bulletin PIC5764B

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10112987
Published by NHTSA2017-08-15
Manufacturer's numberPIC5764B
Manufacturer's date2013-04-19
NHTSA componentEXTERIOR LIGHTING; ELECTRICAL SYSTEM

NHTSA's summary

This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that engine overheating, and/or poor heater performance, AC off message, and Malfunction Indicator Lamp illumination. Technician will find Diagnostic Trouble Code P00B7 and/or P2181. Technician will gain access to the water outlet assembly and inspect for flashing or debris. If flashing or debris found in the water outlet assembly it will need to be replaced. Also inspect the upper heater core hose and coolant bypass pipe at the water outlet for a black plug. If plug is found, remove and discard.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Electrical system, Lighting

Trouble codes named

P00B7, P2181

Vehicles listed
CADILLAC ATS2013
CHEVROLET MALIBU2013

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
16V5020002016-07-05. ELECTRICAL SYSTEM:IGNITION; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)
20153902015-09-03. Electrical
20153222015-07-21. Electrical
20150752015-02-19. Electrical
20143102014-07-23. Lights And Instruments
20134012013-11-13. Electrical
13V5660002013-11-13. SEATS:FRONT ASSEMBLY:POWER ADJUST; ELECTRICAL SYSTEM:WIRING
20133562013-10-16. Lights And Instruments
20131762013-05-24. Lights And Instruments
13V2200002013-05-24. EXTERIOR LIGHTING:BRAKE LIGHTS; ELECTRICAL SYSTEM

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
18-NA-1802025-10-16. Service bulletin. This Warranty Administration service bulletin provides Lithium-Ion battery Exchange Process and Transaction Submission information.
18-NA-1802025-09-26. Service bulletin. This Warranty Administration service bulletin provides Lithium-Ion battery Exchange Process and Transaction Submission information.
25-NA-0872025-05-02. Service bulletin. This service bulletin provides information on the proper Reflective High Temperature Heat and/or Insulating Tape to use for certain repairs, such as Wiring Harness Repairs.
23-NA-0012025-04-28. Service bulletin. This service bulletin provides information for dealers/technicians on OnStar Module 2G Sunset Information.
13-08-116-001K2025-04-25. Service bulletin. The intent of this service bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them.
15-06-03-001F2025-04-15. Service bulletin. This service bulletin provides information to diagnose batteries that have set for a long period of time and/or cold weather climates and testing those batteries.
21-NA-0432025-02-12. Service bulletin. This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer.
18-NA-1802025-01-30. Service bulletin. This Warranty Administration service bulletin provides Lithium-Ion battery Exchange Process and Transaction Submission information.
09-06-04-026Z2025-01-23. Service bulletin. This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.
18-NA-1802025-01-08. Service bulletin. This Warranty Administration service bulletin provides Lithium-Ion battery Exchange Process and Transaction Submission information.