2005 Buick LaCrosse "24 voltage present" Questions

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Question about Buick LaCrosse

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...24 (PWR GND) at the breakout box. Key on. Voltage must read greater than 10.5 volts. For an indication of a fault, look for this voltage to drop while performing the following: Lightly tap on the EGR ...

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...voltage to the PCM cannot be interrupted indicating a PCM failure. COP 1 is controlled by a Light Green/White (LG/WH) wire at pin 1 of the C175e connector. COP 2 is controlled by a Pink/White (PK/WH) ...

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...24/2005 DD: Fuel Rail Pressure (FRP), Fuel Rail Temperature (FRT) and Fuel Rail Pressure Temperature (FRPT) Sensors Note: Repair P0230, P0231 or P0232 fuel pump DTC(s) prior to this test. Key ON, ...

Question about Buick LaCrosse

1 Answer

...24 Throttle position sensor over 4.96V 25 Automatic Idle Speed (AIS) motor driver circuit shorted or target idle not reached 26 Peak injector circuit voltage has not been reached (need to check ...

...voltage was under 0.2 volts for 4 seconds when the ignition was on. Check for a sticking, or mis-adjusted throttle position sensor. Code 23 2 flashes, pause, 3 flashes Inlet air temperature sensor ...

...24. VSS circuit, no signal 25. ATS circuit, out or range high 26. Quad Driver output fault 32. EGR system fault 33. MAP sensor circuit, out of range high 34. MAP sensor circuit, out of range low 35. ...

...voltage; to be above 9.0 volts. REFER to Section 414-00 . B1342 24 2 RCM is Faulted INSTALL a new RCM. B1869 NONE Secondary air bag warning sounds if another fault is present 19 Lamp Air Bag Warning ...

...voltage; to be above 9.0 volts. REFER to Section 414-01 . B1342 12 RCM Is Faulted Install a new RCM. B1869 NONE Continuous lamp Secondary air bag warning sounds if another fault is present Lamp Air ...

...voltage limits. Code 24-Throttle Position sensor voltage high or low. Code 25-Automatic Idle Speed (AIS) motor driver circuit-short or open detected in 1 or more of the AIS control circuits. Code ...

24 is stored, the power loss light is turned on, and the logic module will enter limp-in mode.  The logic module will then use the MAP sensor as an indication of the thottle position.  A MAP

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