B3878 DTC For Buick Lacrosse
Buick Lacrosse Engine Specifications:
| Engine Type : | Multi-Cylinder Engine |
| Cylinder Type : | V-Type Engine |
| Engine Air Intake Process : | Turbocharged Engine |
Your Buick Lacrosse engine control system detects a problem, the computer stores the diagnostic trouble
code B3878 in its memory.
To figure out what is wrong with your vehicle you must first extract the B3878 DTC For Buick Lacrosse.
On 1999 and later B3878 Buick Lacrosse engines, the instrument cluster has a built-in self-diagnostic mode that can be accessed by pressing and holding the instrument cluster SELECT/RESET button. Insert the ignition key and turn to the RUN position (but don't crank or start engine). Continue to press and hold the SELECT/RESET button (for 5 seconds) until the word TEST is displayed by the odometer. Release the SELECT/RESET button within three seconds after the word TEST is displayed to begin the self-diagnostic mode.
B3878 Buick Lacrosse DTC Meaning
| B |
Body Code - Problem is antilock brake system, electronic suspension and steering systems. |
| 3 |
SAE - Generic |
| 8 |
Accelerator Pedal Position (APP) Sensor 1 Performance |
| 7 |
Exhaust Gas Recirculation System Valve 1 |
| 8 |
Park/Neutral Postion (PNP) Switch Circuit Engine Torque Signal Circuit |
The original multi-displacement system turned off opposite pairs of cylinders, allowing the engine to have three different configurations and displacements. B3878 Buick Lacrosse code had an elaborate diagnostics procedure, including showing engine trouble codes on the air conditionning display. However, the system was troublesome, misunderstood by customers, and a rash of unpredictable failures led to the technology being quickly retired.
You can also check other Buick car models :
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The listed Buick models will give information about B3878 DTC.
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