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i checked for codes last night this is what i found




MSM B0856 " "

MSM B1983 " "

MMM B2144 " "

what do they mean and what is the difference between current and history

thanks for you help

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History codes are just that- historical. Whatever caused the code to set has cleared. May have been intermittent. Ignore it unless it sets again. History codes will be deleted automatically after 50 ignition cycles without failing.

B0856 - Battery 2 Out of Range

B1983 - Device Power Circuit Low

B2144 - Left Front Mirror Vertical Position Sensor Circuit Low

P0603 - Control Module Long Term Memory Reset

Current means that the bank one sensor 3 is currently malfunctioning. If the PCM gets good readings from the sensor it will go from current to history after 3 ignition cycles without failing.

P0146 - Heated Oxygen Sensor (HO2S) Circuit Insufficient Activity Bank 1 Sensor 3

P0147 - Heated Oxygen Sensor (HO2S) Heater Performance Bank 1 Sensor 3

Bank one sensor 3 is the "aft cat" sensor.

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If you can change a spark plug, you can probably change the O2 sensor. It may require a special socket, I'm not sure, never had to do one...... yet.

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phat albert, i got the pcm P0146 code as well.. i'm actually gonna try to fix it myself pretty soon. i'll let you know how it goes, never done it before. so i can tell you if it's easy to figure out, etc.

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