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Home >> Chevrolet >> 2023 >> Tahoe SSV >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 9 (Engine Controls And Fuel - 3.0L (Lm2) Diesel - Diagnostic Information And Procedures (4 Of 5)) >> Diagnostic Information and Procedures >> DTC P1388-P138A, P14A7-P14B4, P14D9, P14DA, P23AD-P23AF, P23B1-P23B5, P23B8, P23B9, P23C1, P2A02, P2C63-P2C65, or U05A8 >> DTC Descriptor

DTC Descriptor

WARNING: This page is about a different variant/trim than selected.
DTC P1388

NOx Sensor 3 Signal Circuit/Open

DTC P1389

NOx Sensor 3 Signal Circuit Low

DTC P138A

NOx Sensor 3 Signal Circuit High

DTC P14A7

O2 Reference Voltage Circuit (NOx Sensor 3)

DTC P14A8

O2 Reference Voltage Circuit Low Voltage (NOx Sensor 3)

DTC P14A9

O2 Reference Voltage Circuit High Voltage (NOx Sensor 3)

DTC P14AA

O2 Signal Circuit (NOx Sensor 3)

DTC P14AB

O2 Signal Circuit Low Voltage (NOx Sensor 3)

DTC P14AC

O2 Signal Circuit High Voltage (NOx Sensor 3)

DTC P14AD

O2 Pump Current Control Circuit (NOx Sensor 3)

DTC P14AE

O2 Pump Current Control Circuit Low Voltage (NOx Sensor 3)

DTC P14AF

O2 Pump Current Control Circuit High Voltage (NOx Sensor 3)

DTC P14B0

O2 Low Reference Circuit (NOx Sensor 3)

DTC P14B1

O2 Low Reference Circuit Low Voltage (NOx Sensor 3)

DTC P14B2

O2 Low Reference Circuit High Voltage (NOx Sensor 3)

DTC P14B3

NOx Sensor 3 Heater Ground Circuit

DTC P14B4

NOx Sensor 3 Heater Ground Circuit High Voltage

DTC P14D9

NOx Sensor Exceeded Minimum Learning Limit Bank 1 Sensor 3

DTC P14DA

NOx Sensor Current Performance Bank 1 Sensor 3

DTC P23AD

NOx Sensor 3 Performance

DTC P23AE

NOx Sensor 3 Circuit Low Voltage

DTC P23AF

NOx Sensor 3 Circuit High Voltage

DTC P23B1

NOx Sensor 3 Heater Control Circuit

DTC P23B2

NOx Sensor 3 Heater Control Circuit Low Voltage

DTC P23B3

NOx Sensor 3 Heater Control Circuit High Voltage

DTC P23B4

NOx Sensor 3 Heater Feedback Circuit

DTC P23B5

NOx Sensor 3 Heater Feedback Performance

DTC P23B8

NOx Sensor 3 Heater Feedback Circuit Low Voltage

DTC P23B9

NOx Sensor 3 Heater Feedback Circuit High Voltage

DTC P23C1

NOx Sensor 3 Performance - Sensing Element

DTC P2A02

HO2S Performance Sensor 3

DTC P2C63

HO2S Pump Current Trim Circuit Low Voltage Sensor 3

DTC P2C64

HO2S Pump Current Trim Circuit High Voltage Sensor 3

DTC P2C65

HO2S Performance During Deceleration Fuel Cut-Off Sensor 3

DTC U05A8

Invalid Data Received From NOx Sensor 3