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DTC Code Glossary

Look up any of the 1,430 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
B2562
Aux A/C Blower Speed 1 Circuit Short to Ground
B2563
Aux A/C Blower Speed 2 Circuit Failure
B2564
Aux A/C Blower Speed 2 Circuit Short to Ground
B2565
Right Tail Lamp Circuit Failure
B2566
Right Tail Lamp Circuit Short to Ground
B2567
Reverse Mirror Output Circuit Failure
B2568
Reverse Mirror Output Circuit Short to Ground
B2569
Liftgate Disarm Switch Circuit Short to Ground
B2570
Right Lamp Outage Signal Circuit Short to Ground
B2571
Left Lamp Outage Signal Circuit Short to Ground
B2580
Aux Blower Sense Switch Circuit Failure
B2581
Passenger Seat Occupant Detection Circuit Short To Ground
B2582
Passenger Seat Occupant Detection Circuit Open
B2583
Child Seat Detection Circuit Short to Ground
B2584
Child Seat Detection Circuit Open
B2585
Anti Theft Input Signal Circuit Short To Battery
B2586
Headlamp Mode Select Circuit Failure
B2587
Passenger Seat Occupant Detection Circuit Short To Battery
B2588
Child Seat Detection Circuit Short To Battery
B2589
Unexpected Door Reversal During Close
B2590
Vehicle Park/Speed Signal Circuit Failure
B2591
Detent Signal Missing During Unlatch
B2592
PSD Not Fully Closed (Module Commanded Successfully)
B2593
Power Sliding Door Opened During Module Close Command
B2594
No Movement Detected After an Unlatch During Power Open
B2595
Anti Theft Input Signal Circuit Failure
B2596
Headlamp Aim Output Relay Circuit Short To Battery
B2597
Headlamp Aim Output Relay Circuit Failure
B2598
Headlamp Relay Circuit Failure
B2599
Tailgate Release Open Circuit
B2600
Double Locking Door Motor Frozen
B2601
No Latch Signal Sensed on Closing and Door Reversed
B2602
Missing Latch Signal During Power Sliding Door Unlatch
B2603
PSD Not Fully Closed During Self-Test
B2604
Power Sliding Door On/Off Switch Open Circuit
B2605
Disable Signal Open Circuit
B2606
A/C Temperature Sensor Out of Range
B3000
B3000-B3999 ISO/SAE Reserved
B3A00
A/C Refrigerant Distribution Valve Actuator C Stuck/Open
B3A01
A/C Refrigerant Distribution Valve Actuator C Control Circuit/Open
B3A02
A/C Refrigerant Distribution Valve Actuator C Control Circuit Low
B3A03
A/C Refrigerant Distribution Valve Actuator C Control Circuit High
B3A04
A/C Refrigerant Distribution Valve C Control Circuit Driver Current/Temperature Too High
B3A05
A/C Refrigerant Distribution Valve Actuator D Stuck/Open
B3A06
A/C Refrigerant Distribution Valve Actuator D Control Circuit/Open
B3A07
A/C Refrigerant Distribution Valve Actuator D Control Circuit Low
B3A08
A/C Refrigerant Distribution Valve Actuator D Control Circuit High
B3A09
A/C Refrigerant Distribution Valve D Control Circuit Driver Current/Temperature Too High
B3A0A
A/C Refrigerant Expansion Valve Actuator Stuck/Open
B3A0B
A/C Refrigerant Expansion Valve Actuator Control Circuit/Open
B3A0C
A/C Refrigerant Expansion Valve Actuator Control Circuit Low
B3A0D
A/C Refrigerant Expansion Valve Actuator Control Circuit High
B3A0E
A/C Refrigerant Expansion Valve Actuator Control Circuit Driver Current/Temperature Too High
B3A0F
A/C Condenser Efficiency Below Threshold
B3A10
A/C Condenser Efficiency Above Threshold
B3A11
A/C Refrigerant Expansion Valve Actuator Control Circuit Performance
B3A12
A/C Refrigerant Expansion Valve Actuator Temperature Range/Performance
B3A13
A/C Refrigerant Distribution Valve A Actuator Control Circuit Performance
B3A14
A/C Refrigerant Distribution Valve A Actuator Temperature Range/Performance
B3A15
A/C Refrigerant Distribution Valve B Actuator Control Circuit Performance
B3A16
A/C Refrigerant Distribution Valve B Actuator Temperature Range/Performance
B3A17
A/C Refrigerant Distribution Valve C Actuator Control Circuit Performance
B3A18
A/C Refrigerant Distribution Valve C Actuator Temperature Range/Performance
B3A19
A/C Refrigerant Distribution Valve D Actuator Control Circuit Performance
B3A1A
A/C Refrigerant Distribution Valve D Actuator Temperature Range/Performance
B3A1B
A/C System Pressure - Too High
B3A1C
A/C System Temperature - Too High
B3A1D
Battery Charger B
B3A1E
Battery Charger A Ground Performance
B3A1F
Battery Charger B Ground Performance
B3A20
Active Aerodynamic Feature Control Module A
B3A21
Active Aerodynamic Feature Control Module B
B3A22
Active Aerodynamic Feature Control Module C
B3A23
Active Aerodynamic Feature Control Module D
B3A24
Active Aerodynamic Feature Control Module A Power Mode Circuit High Voltage
B3A25
Active Aerodynamic Feature Control Module A Power Mode Circuit Low Voltage
B3A26
Active Aerodynamic Feature Control Module A Power Mode Circuit/Open
B3A27
Active Aerodynamic Feature Control Module A Power Mode Circuit Performance
B3A28
Active Aerodynamic Feature Control Module B Power Mode Circuit High Voltage
B3A29
Active Aerodynamic Feature Control Module B Power Mode Circuit Low Voltage
B3A2A
Active Aerodynamic Feature Control Module B Power Mode Circuit/Open
B3A2B
Active Aerodynamic Feature Control Module B Power Mode Circuit Performance
B3A2C
Active Aerodynamic Feature Control Module C Power Mode Circuit High Voltage
B3A2D
Active Aerodynamic Feature Control Module C Power Mode Circuit Low Voltage
B3A2E
Active Aerodynamic Feature Control Module C Power Mode Circuit/Open
B3A2F
Active Aerodynamic Feature Control Module C Power Mode Circuit Performance
B3A30
Active Aerodynamic Feature Control Module D Power Mode Circuit High Voltage
B3A31
Active Aerodynamic Feature Control Module D Power Mode Circuit Low Voltage
B3A32
Active Aerodynamic Feature Control Module D Power Mode Circuit/Open
B3A33
Active Aerodynamic Feature Control Module D Power Mode Circuit Performance
B3A34
Active Aerodynamic Feature A Actuator Position Sensor Not Learned
B3A35
Active Aerodynamic Feature A Actuator Performance
B3A36
Active Aerodynamic Feature A Actuator Temperature Not Plausible
B3A37
Active Aerodynamic Feature A Actuator Temperature Too High
B3A38
Active Aerodynamic Feature A Actuator Temperature Too Low
B3A39
Active Aerodynamic Feature A Position Not Plausible
B3A3A
Active Aerodynamic Feature A Position Sensor 1 Circuit High Voltage
B3A3B
Active Aerodynamic Feature A Position Sensor 1 Circuit Low Voltage
B3A3C
Active Aerodynamic Feature A Position Sensor 2 Circuit High Voltage
B3A3D
Active Aerodynamic Feature A Position Sensor 2 Circuit Low Voltage