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lou

lou 8/26/2010

1997 Chevrolet Malibu Base 6 Cyl 3.10L

Engine

b2960 and b2958 security codes what this mean

3 Answers


AC130 Spectre

AC130 Spectre 8/26/2010

Theft / Security Light

The security system on todays cars and trucks prevents the vehicle from being stolen.
There are many variations of the system going back to the early 1990's.

This warning could be on when the engine is running, indicating a fault has been
detected in the system. If left unrepaired, there is a good posiblity that the car will
eventually not start.

There are several different possibilities for the cause of the warning, depending on the
make / model / year of the vehicle. Anything from a bad ignition cylinder wire, to a bad
cylinder to a dad Body Control Module (BCM).

After market (non-factory) alarm and remote start systems can cause havoc with the
factory theft system, causing this warning light, or a no start.

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AC130 Spectre

AC130 Spectre 8/26/2010

DTC B2947 Security System Sensor Power CKT Low
DTC B2948 Security System Sensor Power CKT High
DTC B2957 Security System Sensor Data Circuit Low
DTC B2958 Security System Sensor Data Circuit High
DTC B2960 Sec Sys Sensor Data Incorrect but Valid
DTC B3031 Security System Controller in Learn Mode
DTC B3033 Security System Indicates Tamper

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HouseCallAuto

HouseCallAuto 8/26/2010

Having these two codes at the same time is an indicator of a bad passlock sensor which means replace the ignition lock cylinder (passlock sensor) - Here is what it needs >> http://www.autopartswarehouse.com/.../ACD1493F.html

and the cylinder has to be coded to accommodate the original key (it does not come with a new key) which a local locksmith can do or DIY with the hardware supplied and instructions. After that the passlock system needs to be relearned with a simple procedure.

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HouseCallAuto

HouseCallAuto 8/26/2010

Ignition switch should be replaced at the same time. Here >> http://www.autopartswarehouse.com/.../ACD1432D.html

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