B2960 on Isuzu

Passlock / theft-deterrent security sensor fault (GM)

Severity: Inspect soon

GM's bulletins tie B2960 to a security lamp, no-crank or no-start, and in some trucks and vans an engine stall.

It gets more serious if:

This page covers only what differs on Isuzu. For what B2960 means, the ranked causes and the test order, see the B2960 guide.

2007 · i-370
Supported by vehicle data
Owners quote B2960 as "security system sensor valid but incorrect" with a crank, no-start.

NHTSA complaint ODI 10743526 (2007 Isuzu i-370) — NHTSA Office of Defects Investigation
NHTSA complaint ODI 10895501 (2007 Isuzu i-370) — NHTSA Office of Defects Investigation
GM 01-08-56-002A: security lamp on, engine stall, no start, DTC B2960 — General Motors , June 1, 2001
GM 04-08-47-003: security light on, engine will not crank, DTCs B2958 and/or B2960 — General Motors , September 1, 2004
Saturn 04-08-45-005: no crank, no start in cold weather, DTCs B2960 and/or B3033 — General Motors (Saturn) , March 1, 2006

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