P056D
Reductant Control Module System Voltage
AdBlue / SCR / NOx DTC Codes
AdBlue, SCR, urea dosing, and NOx sensor OBD-II diagnostic trouble codes — with technical and legal context for off-road suppression.
About AdBlue / SCR / NOx codes
AdBlue/SCR codes flag urea dosing system failures, NOx sensor faults, and crystallization issues. Common for export markets and off-road use only — EU regulation 2018/858 prohibits SCR removal on road-registered vehicles.
All 376 codes in AdBlue / SCR / NOx
P05EB
Cold Start SCR NOx Catalyst Inlet Temperature Too Low
P05ED
Reductant Heater Control Module Supply Voltage
P05EE
Reductant Pump Supply Voltage Circuit/Open
P05EF
Reductant Pump Supply Voltage Circuit Low
P05F0
Reductant Pump Supply Voltage Circuit High
P05F1
Reductant Pump Supply Voltage Circuit Stuck On
P05F2
Reductant Pump Supply Voltage Circuit Stuck Off
P05F8
Reductant Heater Control Module Performance
P065D
Reductant System Malfunction Lamp Control Circuit
P06EA
NOx Sensor Processor Performance Bank 1 Sensor 1
P06EB
NOx Sensor Processor Performance Bank 1 Sensor 2
P06F0
Reductant Control Module Internal Temperature Sensor Circuit
P06F1
Reductant Control Module Internal Temperature Sensor Range/Performance
P06F2
Reductant Control Module Internal Temperature Sensor Circuit Low
P06F3
Reductant Control Module Internal Temperature Sensor Circuit High
P2000
NOx Trap Efficiency Below Threshold Bank1
P2001
NOx Trap Efficiency Below Threshold Bank2
P201A
Reductant Injection Valve Circuit Range/Performance Bank 2 Unit 1
P201F
Reductant Pump A Stuck On
P202A
Reductant Tank Heater Control Circuit/Open
P202B
Reductant Tank Heater Control Circuit Low
P202C
Reductant Tank Heater Control Circuit High
P202D
Reductant Leakage
P202E
Reductant Injection Valve Circuit Range/Performance Bank 1 Unit 1
P202F
Reductant/Regeneration Supply Control Circuit Range/Performance
P2037
Reductant Inj Air Press Sensor Circ
P2038
Reductant Inj Air Press Sensor Circ Range/Perf
P2039
Reductant Inj Air Press Sensor Circ Low Input
P203A
Reductant Level Sensor A Circuit
P203B
Reductant Level Sensor A Circuit Range/Performance
P203C
Reductant Level Sensor A Circuit Low
P203D
Reductant Level Sensor A Circuit High
P203E
Reductant Level Sensor A Circuit Intermittent/Erratic
P203F
Reductant Level Too Low
P2040
Reductant Inj Air Press Sensor Circ High Input
P2041
Reductant Inj Air Press Sensor Circ Interm
P2042
Reductant Temp Sensor Circ
P2043
Reductant Temp Sensor Circ Range/Perf
P2044
Reductant Temp Sensor Circ Low Input
P2045
Reductant Temp Sensor Circ High Input
P2046
Reductant Temp Sensor Circ Interm
P2047
Reductant Injector Circ/Open Bank1 Unit 1
P2048
Reductant Injector Circ Low Bank1 Unit 1
P2049
Reductant Injector Circ High Bank1 Unit 1
P204A
Reductant Pressure Sensor Circuit
P204B
Reductant Pressure Sensor Circuit Range/Performance
P204C
Reductant Pressure Sensor Circuit Low
P204D
Reductant Pressure Sensor Circuit High
P204E
Reductant Pressure Sensor Circuit Intermittent/Erratic
P204F
Reductant System Performance Bank 1
P2050
Reductant Injector Circ/Open Bank2 Unit 1
P2051
Reductant Injector Circ Low Bank2 Unit 1
P2052
Reductant Injector Circ High Bank2 Unit 1
P2053
Reductant Injector Circ/Open Bank1 Unit 2
P2054
Reductant Injector Circ Low Bank1 Unit 2
P2055
Reductant Injector Circ High Bank1 Unit 2
P2056
Reductant Injector Circ/Open Bank2 Unit 2
P2057
Reductant Injector Circ Low Bank2 Unit 2
P2058
Reductant Injector Circ High Bank2 Unit 2
P2059
Reductant Inj Air Pump Ctrl Circ/Open
P205A
Reductant Tank Temperature Sensor A Circuit
P205B
Reductant Tank Temperature Sensor A Circuit Range/Performance
P205C
Reductant Tank Temperature Sensor A Circuit Low
P205D
Reductant Tank Temperature Sensor A Circuit High
P205E
Reductant Tank Temperature Sensor A Circuit Intermittent/Erratic
P205F
Reductant System Performance Bank 2
P2060
Reductant Inj Air Pump Ctrl Circ Low
P2061
Reductant Inj Air Pump Ctrl Circ High
P2062
Reductant Supply Ctrl Circ/Open
P2063
Reductant Supply Ctrl Circ Low
P2064
Reductant Supply Ctrl Circ High
P206A
Reductant Quality Sensor Circuit
P206B
Reductant Quality Sensor Circuit Range/Performance
P206C
Reductant Quality Sensor Circuit Low
P206D
Reductant Quality Sensor Circuit High
P207F
Reductant Quality Performance
P208A
Reductant Pump A Control Circuit/Open
P208B
Reductant Pump A Control Performance/Stuck Off
P208C
Reductant Pump A Control Circuit Low
P208D
Reductant Pump A Control Circuit High
P208E
Reductant Injection Valve Stuck Closed Bank 1 Unit 1
P208F
Reductant Injection Valve Stuck Closed Bank 2 Unit 1
P209A
Reductant Injection Air Pressure Sensor B Circuit
P209B
Reductant Injection Air Pressure Sensor B Circuit Range/Performance
P209C
Reductant Injection Air Pressure Sensor B Circuit Low
P209D
Reductant Injection Air Pressure Sensor B Circuit High
P209E
Reductant Injection Air Pressure Sensor A/B Correlation
P209F
Reductant Tank Heater Control Circuit Performance
P20A0
Reductant Purge Control Valve A Circuit /Open
P20A1
Reductant Purge Control Valve A Performance
P20A2
Reductant Purge Control Valve A Circuit Low
P20A3
Reductant Purge Control Valve A Circuit High
P20A4
Reductant Purge Control Valve A Stuck Open
P20A5
Reductant Purge Control Valve A Stuck Closed
P20A6
Reductant Injection Air Pressure Control Valve Circuit/Open
P20A7
Reductant Injection Air Pressure Control Valve Performance
P20A8
Reductant Injection Air Pressure Control Valve Circuit Low
P20A9
Reductant Injection Air Pressure Control Valve Circuit High
P20AA
Reductant Injection Air Pressure Control Valve Stuck Open
P20AB
Reductant Injection Air Pressure Control Valve Stuck Closed
P20AC
Reductant Metering Unit Temperature Sensor Circuit
P20AD
Reductant Metering Unit Temperature Sensor Circuit Range/Performance
P20AE
Reductant Metering Unit Temperature Sensor Circuit Low
P20AF
Reductant Metering Unit Temperature Sensor Circuit High
P20B0
Reductant Metering Unit Temperature Sensor Circuit Intermittent/Erratic
P20B1
Reductant Heater Coolant Control Valve Circuit/Open
P20B2
Reductant Heater Coolant Control Valve Performance/Stuck Open
P20B3
Reductant Heater Coolant Control Valve Circuit Low
P20B4
Reductant Heater Coolant Control Valve Circuit High
P20B5
Reductant Metering Unit Heater Control Circuit/Open
P20B6
Reductant Metering Unit Heater Control Circuit Performance
P20B7
Reductant Metering Unit Heater Control Circuit Low
P20B8
Reductant Metering Unit Heater Control Circuit High
P20B9
Reductant Heater A Control Circuit/Open
P20BA
Reductant Heater A Control Circuit Performance
P20BB
Reductant Heater A Control Circuit Low
P20BC
Reductant Heater A Control Circuit High
P20BD
Reductant Heater B Control Circuit/Open
P20BE
Reductant Heater B Control Circuit Performance
P20BF
Reductant Heater B Control Circuit Low
P20C0
Reductant Heater B Control Circuit High
P20C1
Reductant Heater C Control Circuit/Open
P20C2
Reductant Heater C Control Circuit Performance
P20C3
Reductant Heater C Control Circuit Low
P20C4
Reductant Heater C Control Circuit High
P20C5
Reductant Heater D Control Circuit/Open
P20C6
Reductant Heater D Control Circuit Performance
P20C7
Reductant Heater D Control Circuit Low
P20C8
Reductant Heater D Control Circuit High
P20C9
Reductant Control Module Requested MIL Illumination
P20CA
Reductant Injection Air Pressure Leakage
P20E6
Reductant Injection Air Pressure Too Low
P20E7
Reductant Injection Air Pressure Too High
P20E8
Reductant Pressure Too Low
P20E9
Reductant Pressure Too High
P20EA
Reductant Control Module Power Relay De-Energized Performance - Too Early
P20EB
Reductant Control Module Power Relay De-Energized Performance - Too Late
P20EC
SCR NOx Catalyst - Over Temperature Bank 1
P20ED
SCR NOx Pre-Catalyst - Over Temperature Bank 1
P20EE
SCR NOx Catalyst Efficiency Below Threshold Bank 1 Catalyst 1
P20EF
SCR NOx Pre- Catalyst Efficiency Below Threshold Bank 1
P20F0
SCR NOx Catalyst - Over Temperature Bank 2
P20F1
SCR NOx Pre-Catalyst - Over Temperature Bank 2
P20F2
SCR NOx Catalyst Efficiency Below Threshold Bank 2
P20F3
SCR NOx Pre- Catalyst Efficiency Below Threshold Bank 2
P20F4
Reductant Consumption Too Low
P20F5
Reductant Consumption Too High
P20F6
Reductant Injection Valve Stuck Open Bank 1 Unit 1
P20F7
Reductant Injection Valve Stuck Open Bank 2 Unit 1
P20FA
Reductant Pump B Control Circuit/Open
P20FB
Reductant Pump B Control Performance/Stuck Off
P20FC
Reductant Pump B Control Circuit Low
P20FD
Reductant Pump B Control Circuit High
P20FE
Reductant Metering Unit 1 Performance
P20FF
Reductant Control Module Performance
P214A
SCR NOx Catalyst Inlet Temperature Too High
P214C
SCR NOx Catalyst Outlet Temperature Too High
P214E
Reductant Pump A Current Too High
P214F
Reductant Heater A Current Too High
P215D
Reductant Pump B Stuck On
P215E
Reductant Heater D Current Too Low
P215F
Reductant Heater D Current Too High
P218F
Reductant No Flow Detected
P21A8
Reductant Level Sensor B Circuit
P21A9
Reductant Level Sensor B Circuit Range/Performance
P21AA
Reductant Level Sensor B Circuit Low
P21AB
Reductant Level Sensor B Circuit High
P21AC
Reductant Level Sensor B Circuit Intermittent/Erratic
P21AD
Reductant Level Sensor C Circuit
P21AE
Reductant Level Sensor C Circuit Range/Performance
P21AF
Reductant Level Sensor C Circuit Low
P21B0
Reductant Level Sensor C Circuit High
P21B1
Reductant Level Sensor C Circuit Intermittent/Erratic
P21B2
Excessive Time To Enter Closed Loop NOx Adsorber Control
P21B3
Closed Loop NOx Adsorber Control At Limit - Too High
P21B4
NOx Adsorber - Over Temperature Bank 1
P21B5
NOx Adsorber - Over Temperature Bank 2
P21C2
Reductant Heater Relay Control Circuit/Open
P21C3
Reductant Heater Relay Control Circuit Low
P21C4
Reductant Heater Relay Control Circuit High
P21C5
Reductant Level Sensor A Stuck
P21C6
Reductant Level Sensor B Stuck
P21C7
Reductant Control Module Power Relay/Relays Control Circuit/Open
P21C8
Reductant Control Module Power Relay/Relays Control Circuit Low
P21C9
Reductant Control Module Power Relay/Relays Control Circuit High
P21CA
Reductant Control Module Supply Voltage Circuit
P21CB
Reductant Control Module Supply Voltage Low
P21CC
Reductant Control Module Supply Voltage High
P21CD
Reductant Quality Module Supply Voltage Low
P21CE
Reductant Quality Module Performance
P21DD
Reductant Heater A Current Too Low
P2200
NOx Sensor Circ Bank1
P2201
NOx Sensor Circ Range/Perf Bank1
P2202
NOx Sensor Circ Low Input Bank1
P2203
NOx Sensor Circ High Input Bank1
P2204
NOx Sensor Circ Interm Input Bank1
P2205
NOx Sensor Heater Ctrl Circ/Open Bank1
P2206
NOx Sensor Heater Ctrl Circ Low Bank1
P2207
NOx Sensor Heater Ctrl Circ High Bank1
P2208
NOx Sensor Heater Sense Circ Bank1
P2209
NOx Sensor Heater Sense Circ Range/Perf Bank1
P220A
NOx Sensor Supply Voltage Circuit Bank 1 Sensor 1
P220B
NOx Sensor Supply Voltage Circuit Bank 1 Sensor 2
P220C
NOx Sensor Supply Voltage Circuit Bank 2 Sensor 1
P220D
NOx Sensor Supply Voltage Circuit Bank 2 Sensor 2
P220E
NOx Sensor Heater Control Circuit Range/Performance Bank 1 Sensor 1
P220F
NOx Sensor Heater Control Circuit Range/Performance Bank 1 Sensor 2
P2210
NOx Sensor Heater Sense Circ Low Input Bank1
P2211
NOx Sensor Heater Sense Circ High Input Bank1
P2212
NOx Sensor Heater Sense Circ Interm Bank1
P2213
NOx Sensor Circ Bank2
P2214
NOx Sensor Circ Range/Perf Bank2
P2215
NOx Sensor Circ Low Input Bank2
P2216
NOx Sensor Circ High Input Bank2
P2217
NOx Sensor Circ Interm Input Bank2
P2218
NOx Sensor Heater Ctrl Circ/Open Bank2
P2219
NOx Sensor Heater Ctrl Circ Low Bank2
P221A
NOx Sensor 1/2 Correlation Bank 1
P221B
NOx Sensor 1/2 Correlation Bank 2
P221C
Reductant Heater B Current Too Low
P221D
Reductant Heater B Current Too High
P221E
Reductant Heater C Current Too Low
P221F
Reductant Heater C Current Too High
P2220
NOx Sensor Heater Ctrl Circ High Bank2
P2221
NOx Sensor Heater Sense Circ Bank2
P2222
NOx Sensor Heater Sense Circ Range/Perf Bank2
P2223
NOx Sensor Heater Sense Circ Low Bank2
P2224
NOx Sensor Heater Sense Circ High Bank2
P2225
NOx Sensor Heater Sense Circ Interm Bank2
P223A
Reductant Heater E Control Circuit
P223B
Reductant Heater F Control Circuit
P224A
NOx Sensor Heater Resistance Bank 1 Sensor 1
P224B
NOx Sensor Heater Resistance Bank 1 Sensor 2
P225A
NOx Sensor Calibration Memory Bank 1 Sensor 1
P225B
NOx Sensor Calibration Memory Bank 1 Sensor 2
P225C
NOx Sensor Performance - Signal Biased/Stuck High Bank 1 Sensor 1
P225D
NOx Sensor Performance - Signal Biased/Stuck Low Bank 1 Sensor 1
P225E
NOx Sensor Performance - Signal Biased/Stuck High Bank 1 Sensor 2
P225F
NOx Sensor Performance - Signal Biased/Stuck Low Bank 1 Sensor 2
P229E
NOx Sensor Circuit Bank 1 Sensor 2
P229F
NOx Sensor Circuit Range/Performance Bank 1 Sensor 2
P22A0
NOx Sensor Circuit Low Bank 1 Sensor 2
P22A1
NOx Sensor Circuit High Bank 1 Sensor 2
P22A2
NOx Sensor Circuit Intermittent Bank 1 Sensor 2
P22A3
NOx Sensor Heater Control Circuit/Open Bank 1 Sensor 2
P22A4
NOx Sensor Heater Control Circuit Low Bank 1 Sensor 2
P22A5
NOx Sensor Heater Control Circuit High Bank 1 Sensor 2
P22A6
NOx Sensor Heater Sense Circuit Bank 1 Sensor 2
P22A7
NOx Sensor Heater Sense Circuit Range/Performance Bank 1 Sensor 2
P22A8
NOx Sensor Heater Sense Circuit Low Bank 1 Sensor 2
P22A9
NOx Sensor Heater Sense Circuit High Bank 1 Sensor 2
P22AA
NOx Sensor Heater Sense Circuit Intermittent Bank 1 Sensor 2
P22F9
NOx Sensor Performance - Slow Response Low to High Bank 1 Sensor 1
P22FA
NOx Sensor Performance - Slow Response High to Low Bank 1 Sensor 1
P22FB
NOx Sensor Performance - Sensing Element Bank 1 Sensor 1
P22FC
NOx Sensor Performance - Slow Response Low to High Bank 1 Sensor 2
P22FD
NOx Sensor Performance - Slow Response High to Low Bank 1 Sensor 2
P22FE
NOx Sensor Performance - Sensing Element Bank 1 Sensor 2
P22FF
SCR NOx Catalyst Inlet Temperature Too Low
P23AB
NOx Sensor Processor Performance Bank 1 Sensor 3
P23AC
NOx Sensor Circuit Bank 1 Sensor 3
P23AD
NOx Sensor Circuit Range/Performance Bank 1 Sensor 3
P23AE
NOx Sensor Circuit Low Bank 1 Sensor 3
P23AF
NOx Sensor Circuit High Bank 1 Sensor 3
P23B0
NOx Sensor Circuit Intermittent Bank 1 Sensor 3
P23B1
NOx Sensor Heater Control Circuit/Open Bank 1 Sensor 3
P23B2
NOx Sensor Heater Control Circuit Low Bank 1 Sensor 3
P23B3
NOx Sensor Heater Control Circuit High Bank 1 Sensor 3
P23B4
NOx Sensor Heater Sense Circuit Bank 1 Sensor 3
P23B5
NOx Sensor Heater Sense Circuit Range/Performance Bank 1 Sensor 3
P23B6
NOx Sensor Supply Voltage Circuit Bank 1 Sensor 3
P23B7
NOx Sensor Heater Control Circuit Range/Performance Bank 1 Sensor 3
P23B8
NOx Sensor Heater Sense Circuit Low Bank 1 Sensor 3
P23B9
NOx Sensor Heater Sense Circuit High Bank 1 Sensor 3
P23BA
NOx Sensor Heater Sense Circuit Intermittent Bank 1 Sensor 3
P23BB
NOx Sensor Heater Resistance Bank 1 Sensor 3
P23BC
NOx Sensor Calibration Memory Bank 1 Sensor 3
P23BD
NOx Sensor Performance - Signal Biased/Stuck High Bank 1 Sensor 3
P23BE
NOx Sensor Performance - Signal Biased/Stuck Low Bank 1 Sensor 3
P23BF
NOx Sensor Performance - Slow Response Low to High Bank 1 Sensor 3
P23C0
NOx Sensor Performance - Slow Response High to Low Bank 1 Sensor 3
P23C1
NOx Sensor Performance - Sensing Element Bank 1 Sensor 3
P23C2
NOx Sensor Delayed Response - High to Low Bank 1 Sensor 3
P241D
SCR Inducement - Forced Engine Shutdown
P241E
Reductant Heater Coolant Control Valve Stuck Closed
P248A
Reductant Heater A Sense Circuit Low
P248B
Reductant Heater A Sense Circuit High
P248C
Reductant Heater B Sense Circuit Low
P248D
Reductant Heater B Sense Circuit High
P249C
Excessive Time To Enter Closed Loop Reductant Injection Control
P249D
Closed Loop Reductant Injection Control At Limit - Flow Too Low
P249E
Closed Loop Reductant Injection Control At Limit - Flow Too High
P24CB
Reductant Tank Cap Switch Circuit
P24CC
Reductant Tank Cap Switch Circuit Range/Performance
P24CD
Reductant Tank Cap Switch Circuit Low
P24CE
Reductant Tank Cap Switch Circuit High
P24CF
Reductant Tank Cap Switch Circuit Intermittent/Erratic
P24D2
Reductant Heater A Sense Circuit
P24D3
Reductant Heater B Sense Circuit
P24DB
Reductant Purge Control Valve B Circuit /Open
P24DC
Reductant Purge Control Valve B Performance
P24DD
Reductant Purge Control Valve B Circuit Low
P24DE
Reductant Purge Control Valve B Circuit High
P24DF
Reductant Purge Control Valve B Stuck Open
P24E0
Reductant Purge Control Valve B Stuck Closed
P24F3
Reductant Tank Temperature/Fuel Temperature Correlation
P24F4
NOx Sensor Delayed Response - High to Low Bank 1 Sensor 1
P24F5
NOx Sensor Delayed Response - High to Low Bank 1 Sensor 2
P24FE
SCR Catalyst Incorrect
P24FF
Reductant Temperature Too High
P263D
Reductant Heater Driver Performance
P2ACC
Reductant Temperature Sensor B Circuit
P2ACD
Reductant Temperature Sensor B Circuit Range/Performance
P2ACE
Reductant Temperature Sensor B Circuit Low
P2ACF
Reductant Temperature Sensor B Circuit High
P2AD0
Reductant Temperature Sensor B Circuit Intermittent
P2AD6
Reductant Pump Motor Position Sensor Circuit
P2AD7
Reductant Pump Motor Position Sensor Circuit Range/Performance
P2AD8
Reductant Pump Motor Position Sensor Circuit Low
P2AD9
Reductant Pump Motor Position Sensor Circuit High
P2ADA
Reductant Tank Temperature Sensor B Circuit Range/Performance
P2ADB
Reductant Tank Temperature Sensor B Circuit Low
P2ADC
Reductant Tank Temperature Sensor B Circuit High
P2ADD
Reductant Tank Temperature Sensor B Circuit Intermittent/Erratic
P2ADE
Reductant Tank Temperature Sensor B Circuit
P2B9A
Reductant Quality Sensor Circuit Intermittent/Erratic
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
P2BAD
NOx Exceedence - Root Cause Unknown
P2BAE
NOx Exceedence - NOx control monitoring system
P2BAF
NOx System Driver Inducement Active
P2C11
Reductant Pump A Current Too Low
P2C79
NOx Adsorber - Sulfur Limit Exceeded
P2C7A
SCR NOx Catalyst Efficiency Below Threshold Bank 1 Catalyst 2
P2D1D
Reductant System Leak Detected – Small Leak
P2D1E
Reductant System Leak Detected – Large Leak
P2D1F
Reductant System Flow – Restricted
P2D20
Reductant System Flow – Blocked
P2D45
Reductant Temperature Too Low
P2D5A
Reductant Level Sensor A/B Correlation
P2EAD
Reductant Metering Unit 2 Performance
P2EAE
Reductant Injection Valve Circuit Range/Performance Bank 1 Unit 2
P2EAF
Reductant Injection Valve Stuck Closed Bank 1 Unit 2
P2EB9
Reductant Injection Valve Circuit Range/Performance Bank 2 Unit 2
U010E
Lost Communication With Reductant Control Module
U0195
Lost Communication With Subscription Entertainment Receiver Module
U029D
Lost Communication With NOx Sensor A
U029E
Lost Communication With NOx Sensor B
U02A1
Lost Communication With NOx Sensor C
U02A2
Lost Communication With Reductant Quality Module
U02A5
Lost Communication With Reductant Heater Control Module
U030C
Software Incompatibility With Reductant Quality Module
U030D
Software Incompatibility With NOx Sensor A
U030E
Software Incompatibility With NOx Sensor B
U030F
Software Incompatibility With Reductant Control Module
U0352
Software Incompatibility With NOx Sensor C
U040F
Invalid Data Received From Reductant Control Module
U0496
Invalid Data Received From Subscription Entertainment Receiver Module
U059E
Invalid Data Received From NOx Sensor A
U059F
Invalid Data Received From NOx Sensor B
U05A1
NOx Sensor A Received Invalid Data From ECM/PCM
U05A2
NOx Sensor B Received Invalid Data From ECM/PCM
U05A3
Invalid Data Received From Reductant Quality Module
U05A6
Invalid Data Received from Reductant Heater Control Module
U05A8
Invalid Data Received From NOx Sensor C
U05A9
NOx Sensor C Received Invalid Data From ECM/PCM
U0619
Lost Communication With Reductant Level Sensor A
U061A
Lost Communication With Reductant Level Sensor B
U061B
Lost Communication With Reductant Level Sensor C
U061C
Lost Communication With Reductant Temperature Sensor A
U061D
Lost Communication With Reductant Temperature Sensor B
U0666
Lost Communication With Reductant Pressure Sensor