MANUFACTURER REFERENCE
Geo code references.
Read the source definition and confirm the exact vehicle, reporting module and diagnostic procedure.
Geo
P1250
Early Fuel Evaporation Heater Circuit Fault
PowertrainRead the code
Geo
P1300
Ignition Coil 1 Primary Feedback Circuit
PowertrainRead the code
Buick / Cadillac +6
P1305
Ignition Coil 2 Primary Feedback Circuit
PowertrainRead the code
Buick / Cadillac +6
P1310
Ignition Coil 3 Primary Feedback Circuit
PowertrainRead the code
Buick / Cadillac +6
P1315
Ignition Coil 4 Primary Feedback Circuit
PowertrainRead the code
Geo
P1335
Crankshaft Position Sensor Circuit
PowertrainRead the code
Geo
P1346
Intake Camshaft Position System Performance
PowertrainRead the code
Geo
P1349
Intake Camshaft Position System
PowertrainRead the code
Geo
P1408
MAP Sensor Circuit
PowertrainRead the code
Geo
P1410
Fuel Tank Pressure System Fault
PowertrainRead the code
Geo
P1450
Barometric Pressure Sensor Circuit Fault
PowertrainRead the code
Buick / Cadillac +9
P1451
Barometric Pressure Sensor Performance
PowertrainRead the code
Geo
P1460
Cooling Fan Control System Fault
PowertrainRead the code
Geo
P1500
Starter Signal Circuit Fault
PowertrainRead the code
Geo
P1510
Backup Power Supply Fault
PowertrainRead the code
Geo
P1520
Stop Lamp Switch Circuit
PowertrainRead the code
Buick / Cadillac +6
P1530
Ignition Timing Adjustment Switch Circuit
PowertrainRead the code
Geo
P1600
PCM Battery Circuit Fault
PowertrainRead the code
Geo
P1656
Intake CMP Actuator Solenoid Control Circuit
PowertrainRead the code
These are code references, not a list of confirmed faults on every vehicle. Read the source and applicability notes, then match the exact vehicle, year, engine and scan report.