P1472 Buick Electrodrive Fan 2 Operational Failure (Passenger Side) Symptoms – Engine Light ON (or Service Engine Soon Warning Light) Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar Buick – Buick Century – Buick LaCrosse – Buick LeSabre – Buick Lucerne – Buick Park Avenue – Buick Regal – Buick Verano…
Category: Buick
P1472 Buick Electrodrive Fan 2 Operational Failure (Passenger Side)
P1473 Buick Fan Secondary High With Fan(s) Off Symptoms – Engine Light ON (or Service Engine Soon Warning Light) Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar Buick – Buick Century – Buick LaCrosse – Buick LeSabre – Buick Lucerne – Buick Park Avenue – Buick Regal – Buick Verano –…
P1473 Buick Fan Secondary High With Fan(s) Off
P1474 Buick Low Fan Control Primary Circuit Malfunction Possible causes FCV circuit open or shorted. B+ or ground circuit fault to cooling fan. VPWR open to cooling fan (if applicable). Damaged cooling fan module. PCM damaged. Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1474 Buick Description This test checks the Fan…
P1466 Buick A/C Refrigerant Temperature Sensor/Circuit Malfunction
P1467 Buick A/C Compressor Temperature Sensor Malfunction Symptoms – Engine Light ON (or Service Engine Soon Warning Light) Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar Buick – Buick Century – Buick LaCrosse – Buick LeSabre – Buick Lucerne – Buick Park Avenue – Buick Regal – Buick Verano – Buick…
P1467 Buick A/C Compressor Temperature Sensor Malfunction
P1468 Buick SSPOD Open Circuit or Closed Circuit Fault Symptoms – Engine Light ON (or Service Engine Soon Warning Light) Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar Buick – Buick Century – Buick LaCrosse – Buick LeSabre – Buick Lucerne – Buick Park Avenue – Buick Regal – Buick Verano…
P1468 Buick SSPOD Open Circuit or Closed Circuit Fault
P1469 Buick Low A/C Cycling Period Possible causes Mechanical A/C system concern (such as low refrigerant charge, damaged A/C cycling switch). Intermittent open between the cycling pressure switch and the PCM. Intermittent open in the IGN RUN circuit to cycling pressure switch (if applicable). Symptoms – Engine Light ON (or Service Engine Soon Warning Light)…
P1469 Buick Low A/C Cycling Period
P1470 Buick A/C Cycling Period Too Short Symptoms – Engine Light ON (or Service Engine Soon Warning Light) Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar Buick – Buick Century – Buick LaCrosse – Buick LeSabre – Buick Lucerne – Buick Park Avenue – Buick Regal – Buick Verano – Buick…
P1462 Buick A/C pressure sensor circuit voltage high
P1463 Buick A/C Pressure Sensor Insufficient Pressure Change Possible causes A/C system mechanical failure. Open ACP or VREF circuit. A/C sensor damaged. A/C system electrical failure. A/C clutch always engaged. Tech description Verify the A/C system function, including refrigerant charge. Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1463 Buick Description Each…
P1463 Buick A/C Pressure Sensor Insufficient Pressure Change
P1464 Buick Fuel Level Sensor Possible causes – Harness or connectors(The sensor circuit is open or shorted) – Fuel level sensor What about the obd code? – A high voltage from the sensor is sent to ECM Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1464 Buick Description The fuel level sensor…
P1464 Buick Fuel Level Sensor
P1465 Buick A/C Relay Circuit Malfunction Symptoms – Engine Light ON (or Service Engine Soon Warning Light) Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar Buick – Buick Century – Buick LaCrosse – Buick LeSabre – Buick Lucerne – Buick Park Avenue – Buick Regal – Buick Verano – Buick Enclave…
P1465 Buick A/C Relay Circuit Malfunction
P1466 Buick A/C Refrigerant Temperature Sensor/Circuit Malfunction Symptoms – Engine Light ON (or Service Engine Soon Warning Light) Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar Buick – Buick Century – Buick LaCrosse – Buick LeSabre – Buick Lucerne – Buick Park Avenue – Buick Regal – Buick Verano – Buick…
P1461 Buick A/C pressure sensor circuit voltage low
P1462 Buick A/C pressure sensor circuit voltage high Possible causes ACP circuit short to GND or SIGRTN. VREF circuit open. Damaged PCM. Open ACP circuit. Damaged ACP sensor. Tech description Verify a VREF voltage between 4 and 6 volts. Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1462 Buick Description The ACP…
P1458 Buick A/C Switch Malfunction
P1459 Buick Evaporative Emission (EVAP) Purge Flow Switch Malfunction Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar Buick – Buick Century – Buick LaCrosse – Buick LeSabre – Buick Lucerne – Buick Park Avenue – Buick Regal – Buick Verano – Buick Enclave – Buick Encore – Buick Rainier – Buick…
P1459 Buick Evaporative Emission (EVAP) Purge Flow Switch Malfunction
P1460 Buick Wide open throttle A/C cutoff relay circuit Possible causes Open or shorted WAC circuit. Damaged WAC relay (or CCRM). Open VPWR circuit to the WAC relay. Damaged PCM. Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1460 Buick Description Monitors the wide open throttle A/C cutoff (WAC) circuit output from…
P1460 Buick Wide open throttle A/C cutoff relay circuit
P1461 Buick A/C pressure sensor circuit voltage low Possible causes ACP sensor circuit short to PWR. ACP circuit open. Damaged PCM. ACP circuit short to VREF. ACP circuit short to SIGRTN. Damaged ACP sensor. Tech description Verify a VREF voltage between 4 and 6 volts. Symptoms – Engine Light ON (or Service Engine Soon Warning…
P1454 Buick Fuel Tank Pressure (FTP) Sensor Range/Performance Problem
P1455 Buick Exhaust Gas Temperature Sensor 1 Range/Performance Possible causes – Faulty Exhaust Gas Temperature Sensor– Exhaust Gas Temperature Sensor harness is open or shorted– Exhaust Gas Temperature Sensor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David…
P1455 Buick Exhaust Gas Temperature Sensor 1 Range/Performance
P1456 Buick Evaporative Emission Control System Leak Detected Small Leak Possible causes – Missing Fuel cap– Incorrect fuel filler cap used– Fuel filler cap remains open or fails to close– Foreign matter caught in fuel filler cap– Incorrect fuel tank vacuum relief valve– Leak is in line between intake manifold and EVAP canister purge volume…
P1456 Buick Evaporative Emission Control System Leak Detected Small Leak
P1457 Buick Evaporative Emissions Control System Leakage EVAP Canister System Possible causes – Missing Fuel cap– Incorrect fuel filler cap used– Fuel filler cap remains open or fails to close– Foreign matter caught in fuel filler cap What about the obd code? The P1457 Buick code is detected when the EVAP system has a very…
P1457 Buick Evaporative Emissions Control System Leakage EVAP Canister System
P1458 Buick A/C Switch Malfunction Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar Buick – Buick Century – Buick LaCrosse – Buick LeSabre – Buick Lucerne – Buick Park Avenue – Buick Regal – Buick Verano – Buick Enclave – Buick Encore – Buick Rainier – Buick Rendezvous – Buick Terraza…
P1450 Buick Unable To Bleed Up Fuel Tank Vacuum
P1451 Buick EVAP Control System Canister Vent Solenoid Circuit Malfunction Possible causes – Loose or missing gas cap– Faulty gas cap– Canister Vent Solenoid harness is open or shorted– Canister Vent Solenoid electrical circuit poor connection– Faulty Canister Vent Solenoid Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1451 Buick Mercury Description…