OBD fault code library
Look up any P or U code to see what it means, what causes it, the parts involved and how it gets fixed.
Free on OBD DashX
Looking for real-world repair data?
OBD DashX shows which problems come with each code, how often they show up in other vehicles, and how to fix them — step by step.
- Real-world fix data
- How often it happens
- Step-by-step repairs
Fault codes
P1454
Secondary Air Injection Pump With Series Resistor Control Circuit Electrical
BMW
Auxiliary Emissions Control
Medium severity
P1459
Heated Catalyst Heater Power Supply Open Circuit Bank 2
BMW
Auxiliary Emissions Control
Medium severity
P1967
Issue in secondary air injection pump (controls emission)
Skoda
Auxiliary Emissions Control
High severity
P1969
Issue in secondary air injection pump (controls emission)
Skoda
Auxiliary Emissions Control
High severity
P1970
Issue in secondary air injection pump (controls emission)
Skoda
Auxiliary Emissions Control
High severity
P1463
Heated Catalyst Battery Temperature Sensor 1 Electrical
BMW
Vehicle Speed and Idle Control System
High severity
P1464
Heated Catalyst Battery Temperature Sensor 2 Electrical
BMW
Vehicle Speed and Idle Control System
High severity
P1466
Heated Catalyst Power Switch Temperature Sensor Plausibility
BMW
Auxiliary Emissions Control
Medium severity
P1468
Heated Catalyst Battery Disconnecting Switch Plausibility
BMW
Auxiliary Emissions Control
Medium severity
P1470
Leakage Diagnostic Pump Control Circuit Electrical
BMW
Auxiliary Emissions Control
High severity
Scan your own car
Read and clear fault codes, live data and service resets with the CaRPM app.