P2229 Buick Barometric Pressure (BARO) Sensor Circuit High Voltage
Possible causes
– BARO sensor malfunction
– Connector or terminal malfunction
– Open circuit in wiring between BARO sensor and PCM
– Short to power circuit in wiring between BARO sensor and PCM
– Powertrain Control Module (PCM) malfunction
– Connector or terminal malfunction
– Open circuit in wiring between BARO sensor and PCM
– Short to power circuit in wiring between BARO sensor and PCM
– Powertrain Control Module (PCM) malfunction
P2229 Buick Description
Powertrain Control Module (PCM) monitors input voltage from BARO sensor. If input voltage at PCM terminal 1AG is above 4.43 V, PCM determines that BARO sensor circuit has 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 – Buick Riviera