P2B86

CADILLAC, CHEVROLET, GMC

This preliminary information communicates an issue with an SES MIL DTC P2B87 and/or P2B86 cause by the Aux heater coolant pump have an unwanted oring stuck in the pump. Dealers are to remove oring and reinstall pump.

BENTLEY

Engine coolant - Overheat condition - Warning evident within the DIP - DTC's P2B6500 and P2B8600 are evident. Customer statement: • Engine cooling system overheating And/or • Coolant loss And/or • Warning light in Drivers Information Panel (DIP)

BENTLEY

Engine coolant - Overheat condition - Warning evident within the DIP - DTCs P2B6500 and P2B8600 are evident Customer Statement: -Engine cooling system overheating And/or Coolant loss And/or Warning light in Drivers Information Panel (DIP) as Figure 1

BENTLEY

Engine Coolant - Overheat Condition- Warning Evident within the DIP - DTCs P2B6500 and P2B8600 are evident Customer Statement: -Engine cooling system overheating and/or -Coolant loss and/or -Warning light in Driver Information Panel(DIP)