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Service bulletin PIT5964A

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 id10247368
Published by NHTSA2023-12-18
Manufacturer's numberPIT5964A
Manufacturer's date2023-11-21
NHTSA componentBACK OVER PREVENTION; ELECTRICAL SYSTEM

NHTSA's summary

This Preliminary information communicates to the field how to address a condition where the lightening control module locks up and causes the exterior lighting flickering every 8 seconds and you will notice the windshield wipers and the turn signal/click clack noise will pause momentarily followed by DTC: P0607

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

Driver assistance, Electrical system, Backup camera

Trouble codes named

P0607

Vehicles listed
GMC HUMMER EV PICKUP2022

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

Other bulletins for the same vehicles and component
PIT6044F2024-01-29. Service bulletin. This Preliminary information communicates that a Software update is in the works and to disconnect the 12 volt battery to clear the codes.
PIT6044E2023-12-04. Service bulletin. This Preliminary information communicates that a Software update is in the works and to disconnect the 12 volt battery to clear the codes.
PIT6044A2023-09-18. Service bulletin. This Preliminary information communicates that a Software update is in the works and to disconnect the 12 volt battery to clear the codes.
PIT5832H2023-06-13. Service bulletin. This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly.
PIT5832G2023-04-17. Service bulletin. This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly.
070601016G2022-06-13. Service bulletin. This informational bulletin provides information on Internal Engine Noise or Damage After Oil Filter Replacement.