HomePIT6505 · CADILLAC, CHEVROLET, GMC
CADILLAC, CHEVROLET, GMC

PIT6505

Manufacturer communications

Publication date
2026-04-16
Received by NHTSA
2026-04-23
NHTSA record numbers
11031515

Manufacturer summary

Original wording in English

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.

NHTSA manufacturer communications ↗

Reported code forms

P2B86P2B87

Check vehicle applicability

A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.

MakeModelModel year
CadillacESCALADE2026
CadillacESCALADE2025
CadillacESCALADE2024
CadillacESCALADE ESV2026
CadillacESCALADE ESV2025
CadillacESCALADE ESV2024
ChevroletSUBURBAN2024
ChevroletSUBURBAN 15002026
ChevroletSUBURBAN 15002025
ChevroletTAHOE2026
ChevroletTAHOE2025
ChevroletTAHOE2024
GMCYUKON2026
GMCYUKON2025
GMCYUKON2024
GMCYUKON XL2026
GMCYUKON XL2025
GMCYUKON XL2024

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