We use cookies for basic analytics — nothing loads until you accept. You can decline and keep browsing normally. Privacy Policy

DTC Code Glossary

Look up any of the 8,033 OBD-II diagnostic trouble codes in our database — what it means, and how we can permanently remove it from your ECU.

All P B C U
P2B54
A Camshaft Profile Actuator B Control Stuck On Bank 2
P2B55
B Camshaft Profile Actuator B Control Stuck On Bank 1
P2B56
B Camshaft Profile Actuator B Control Stuck On Bank 2
P2B57
Low Engine Oil Pressure - Camshaft Control Disabled
P2B58
Engine Coolant Flow Control Valve Motor Current High
P2B59
Engine Coolant Flow Control Valve Control Circuit/Open
P2B5A
Engine Coolant Flow Control Valve Control Circuit Low
P2B5B
Engine Coolant Flow Control Valve Control Circuit High
P2B5C
Engine Coolant Flow Control Valve Supply Circuit Low
P2B5D
Engine Coolant Flow Control Valve Position Sensor Circuit
P2B5E
Engine Coolant Flow Control Valve Position Sensor Circuit Low
P2B5F
Engine Coolant Flow Control Valve Position Sensor Circuit High
P2B60
Engine Coolant Flow Control Valve Position Sensor Circuit Range/Performance
P2B61
Engine Coolant Flow Control Valve Stuck Closed
P2B62
Coolant Pump B Supply Voltage Circuit
P2B63
Coolant Pump B Stuck/Stalled
P2B64
Coolant Pump B Control Module Overtemperature
P2B65
Coolant Pump B Overspeed/Air in System
P2B66
Coolant Pump D Control Circuit/Open
P2B67
Coolant Pump D Control Circuit Low
P2B68
Coolant Pump D Control Circuit High
P2B69
Coolant Pump D Supply Voltage Circuit
P2B6A
Coolant Pump D Stuck/Stalled
P2B6B
Coolant Pump D Control Module Overtemperature
P2B6C
Coolant Pump D Overspeed/Air in System
P2B6D
Engine Coolant Flow Control Valve Position Sensor Circuit Intermittent/Erratic
P2B6E
Turbocharger/Supercharger A Temperature Sensor Circuit
P2B6F
Turbocharger/Supercharger A Temperature Sensor Circuit Low
P2B70
Turbocharger/Supercharger A Temperature Sensor Circuit High
P2B71
Turbocharger/Supercharger A Temperature Sensor Circuit Circuit Range/Performance
P2B72
Coolant Heater A Control Circuit/Open
P2B73
Coolant Heater A Control Circuit Low
P2B74
Coolant Heater A Control Circuit High
P2B75
Coolant Heater A Control Circuit Performance
P2B76
Coolant Heater B Control Circuit/Open
P2B77
Coolant Heater B Control Circuit Low
P2B78
Coolant Heater B Control Circuit High
P2B79
Coolant Heater B Control Circuit Performance
P2B7A
EVAP System Pressure Sensor/Switch C Circuit
P2B7B
EVAP System Pressure Sensor/Switch C Circuit Range/Performance
P2B7C
EVAP System Pressure Sensor/Switch C Circuit Low
P2B7D
EVAP System Pressure Sensor/Switch C Circuit High
P2B7E
EVAP System Pressure Sensor/Switch C Circuit Intermittent
P2B7F
Turbocharger/Supercharger Boost Control Module A Calibration Not Learned/Programmed
P2B80
Turbocharger/Supercharger Boost Control Module B Calibration Not Learned/Programmed
P2B81
Wastegate Position Sensor A Circuit Performance
P2B82
Wastegate Position Sensor B Circuit Performance
P2B83
Charge Air Cooler Coolant Pump A Overspeed/Air In System
P2B84
Charge Air Cooler Coolant Pump A Underspeed
P2B85
Engine Coolant Pump Underspeed
P2B86
Coolant Pump A Overspeed/Air in System
P2B87
Coolant Pump A Underspeed
P2B88
Intake Air O2 Sensor Circuit Bank 1
P2B89
Intake Air O2 Sensor Circuit Low Voltage Bank 1
P2B8A
Intake Air O2 Sensor Circuit High Voltage Bank 1
P2B8B
Intake Air O2 Sensor Heater Control Circuit/Open Bank 1
P2B8C
Intake Air O2 Sensor Heater Control Circuit Range/Performance Bank 1
P2B8D
Intake Air O2 Sensor Heater Control Circuit Low Bank 1
P2B8E
Intake Air O2 Sensor Heater Control Circuit High Bank 1
P2B8F
Turbocharger/Supercharger B Temperature Sensor Circuit
P2B90
Turbocharger/Supercharger B Temperature Sensor Circuit Low
P2B91
Turbocharger/Supercharger B Temperature Sensor Circuit High
P2B92
Turbocharger/Supercharger B Temperature Sensor Circuit Circuit Range/Performance
P2B93
Wastegate Position Sensor A Exceeded Learning Limit
P2B94
Wastegate Position Sensor B Exceeded Learning Limit
P2B95
Cold Start Injection Pulse Performance
P2B96
Injection Pulse Performance
P2B97
Exhaust Pressure Control Valve A Position Exceeded Learning Limit
P2B98
Exhaust Pressure Control Valve A Supply Low
P2B99
Exhaust Pressure Control Valve A Driver Current/Temperature Too High
P2B9A
Reductant Quality Sensor Circuit Intermittent/Erratic
P2B9B
Vehicle Conditions Incorrect for Particulate Matter Sensor Regeneration
P2B9C
Coolant Pump A Stuck/Stalled
P2B9D
Coolant Pump A Supply Voltage Circuit
P2B9E
Coolant Pump A Control Module Overtemperature
P2B9F
Coolant Pump B Underspeed
P2BA0
Coolant Pump C Underspeed
P2BA1
Coolant Pump D Underspeed
P2BA2
Engine Coolant Pump Stuck/Stalled
P2BA3
Starter/Generator Mechanical Performance
P2BA4
Catalyst Feedgas Performance
P2BA5
Particulate Filter Feedgas Performance
P2BA6
NOx Exceedance - SCR NOx Catalyst Performance
P2BA7
NOx Exceedence - Empty Reagent Tank
P2BA8
NOx Exceedence - Interruption of Reagent Dosing Activity
P2BA9
NOx Exceedence - Insufficient Reagent Quality
P2BAA
NOx Exceedence - Low Reagent Consumption
P2BAB
NOx Exceedence - Incorrect EGR Flow
P2BAC
NOx Exceedence - Deactivation of EGR
P2BAD
NOx Exceedence - Root Cause Unknown
P2BAE
NOx Exceedence - NOx control monitoring system
P2BAF
NOx System Driver Inducement Active
P2BB0
Alternative Fuel Consumption Too Low
P2BB1
Alternative Fuel Consumption Too High
P2BB2
Alternative Fuel Tank Empty
P2BB3
Fuel Pump Secondary Circuit Performance
P2BB4
Engine Coolant Temperature Sensor 4 Circuit Intermittent/Erratic
P2BB5
Engine Coolant Temperature Sensor 5 Circuit Intermittent/Erratic
P2BB6
Engine Coolant Temperature Sensor 6 Circuit
P2BB7
Engine Coolant Temperature Sensor 6 Circuit Range/Performance