2003 Corvette: Diagnostic Trouble Codes
Estimated Reading Time: 8 MinutesDTC B0016, B0017, or B0018
Right Front/Passenger Frontal Deployment Loop (Stage 1) Circuit
DTC B0022, B0024, or B0026
Left Front/Driver Frontal Deployment Loop (Stage 1) Circuit
DTC B0051
Deployment Commanded
DTC B0053
Deployment Commanded with Loop Malfunctions Present
DTC B0090
Active Switch Voltage Out of Range
DTC B0091
Active Switch: Wrong State
DTC B0332, B0333, B0337, or B0338
Air Temperature Sensor Circuit
DTC B0348
Sunload Temperature Sensor Open
DTC B0361, B0363, B0365, or B0367
HVAC Actuator Feedback Circuit
DTC B0432
Rear Defogger Relay Circuit
DTC B0433
Rear Defogger Relay Circuit
DTC B0441 or B0446
HVAC Actuator Out of Range
DTC B0502
RH DRL Relay Circuit
DTC B0503
RH DRL Relay Circuit
DTC B0507
LH DRL Relay Circuit
DTC B0508
LH DRL Relay Circuit
DTC B0516
Speedometer Signal Circuit Malfunction
DTC B0521
Tachometer Signal Circuit Malfunction
DTC B0605
BCM Internal Memory Malfunction
DTC B0846 or B0851
Battery Out of Range
DTC B0856
5 Volt Reference Out of Range
DTC B1000
ECU Malfunction
DTC B1001
Option Configuration Error
DTC B1512-B1537
Driver Information Center (DIC) Switch Circuit
DTC B1542
Oil Temperature Circuit Short to Ground
DTC B1543
Oil Temperature Circuit Open
DTC B2172, B2177, B2182, B2187, B2192, or B2197
Power Seat Switch Circuit
DTC B2202-B2208
Window Switch Circuit
DTC B2222-B2224
Mirror Select Switch Circuit
DTC B2226-B2234
Mirror Switch Circuit
DTC B2236-B2239
Door Lock Switch Circuit
DTC B2242-B2244
Memory Switch Circuit
DTC B2252-B2253
Door Key Cylinder Circuit
DTC B2262-B2265
Mirror Position Sensor Signal Circuit
DTC B2272-B2273
Mirror Motor Control Circuit
DTC B2274-B2275
Window Motor Control Circuit
DTC B2276-B2277
Door Lock Control Circuit
DTC B2282-B2285
Battery 1 or Battery 2 Voltage Out of Range
DTC B2286-B2287
Mirror Position Sensor Circuit
DTC B2403
Front Fog Lamp Switch Circuit
DTC B2408
Rear Fog Lamp Switch Circuit
DTC B2482
Backup Lamp Relay Circuit
DTC B2483
Backup Lamp Relay Circuit
DTC B2527
Horn Relay Circuit
DTC B2528
Horn Relay Circuit
DTC B2567
Folding Top Release Switch Circuit
DTC B2573
Hatch Release Switch Circuit
DTC B2578
Right Front Turn Signal Monitor Circuit
DTC B2583
Left Front Turn Signal Monitor Circuit
DTC B2587
Column Lock/Unlock Drive A
DTC B2588
Column Lock/Unlock Drive A
DTC B2592
Column Lock/Unlock Drive B
DTC B2593
Column Lock/Unlock Drive B
DTC B2597
Traction Control System Switch Circuit
DTC B2600
Seat Motor to Battery Voltage
DTC B2605-B2607
Seat Position Sensor Circuit
DTC B2647
Ambient Light Sensor Circuit Low
DTC B2648
Ambient Light Sensor Circuit High
DTC B2721
PASS-Key Detection Circuit
DTC B2722
PASS-Key Detection Circuit
DTC B2723
PASS-Key Detection Circuit
DTC B2735
PASS-Key Programming Mode Active
DTC B2795
Suspension Control Select Switch Circuit Malfunction
DTC B2852
Telescoping Column In Switch Shorted to Ground
DTC B2857
Telescoping Column Out Switch Shorted to Ground
DTC B2860
Telescoping Column Position Sensor Failure
DTC B3109
Keyless Entry Transmitter Low Battery
DTC B3577
Suspension Control Select Switch Contact Malfunction
DTC C0550
ECU Malfunction
DTC C0563
Calibration ROM Checksum Error
DTC C0577, C0579, C0582, C0584, C0587, C0589, C0592, or C0594
Suspension Actuator Circuit
DTC C0578, C0583, C0588, or C0593
Suspension Actuator Circuit High
DTC C0615, C0620, C0625 or C0630
Suspension Position Sensor Circuit
DTC C0665
Chassis Pitch Signal Circuit
DTC C0690, C0691, or C0693
Damper Control Relay Circuit
DTC C0695
Position Sensor Overcurrent (8 volt supply)
DTC C0710
Steering Position Signal Malfunction
DTC C0750, C0755, C0760, or C0765
Tire Pressure Sensor Circuit
DTC C1214
Solenoid Valve Relay Contact or Coil Circuit Open
DTC C1217
Pump Motor Relay Contact Circuit Open
DTC C1218
Pump Motor Circuit Shorted to Voltage or Motor Ground Open
DTC C1221-C1235
Wheel Speed Sensor Circuit
DTC C1236
Low System Supply Voltage
DTC C1237
High System Supply Voltage
DTC C1241
MAGNA STEER Circuit Malfunction
DTC C1242 or C1243
Pump Motor Circuit
DTC C1247
Brake Pressure Differential Switch Activated
DTC C1248
DRP Disabled
DTC C1254
Abnormal Shutdown Detected
DTC C1255 or C1256
ECU Malfunction
DTC C1261-C1274
EBCM Internal Solenoid Circuit
DTC C1276, P1644, or P1689
Delivered Torque Circuit
DTC C1277 or P1571
Powertrain Indicated Traction Control Malfunction
DTC C1278
TCS Temporarily Inhibited By PCM
DTC C1281, C1283, or C1286
VSES Sensors Uncorrected
DTC C1282
Yaw Rate Sensor Bias Circuit Malfunction
DTC C1284 or C1285
Lateral Accelerometer Circuit
DTC C1287 or C1288
Steering Position Sensor Circuit
DTC C1291
Open Brake Lamp Switch Contacts During Deceleration
DTC C1292, C1293, or C1296
Master Cylinder Pressure Sensor Circuit
DTC C1294
Brake Lamp Switch Circuit Always Active
DTC C1295
Brake Lamp Switch Circuit Open
DTC P0101
Mass Air Flow (MAF) Sensor Performance
DTC P0102
Mass Air Flow (MAF) Sensor Circuit Low Frequency
DTC P0103
Mass Air Flow (MAF) Sensor Circuit High Frequency
DTC P0106
Manifold Absolute Pressure (MAP) Sensor Performance
DTC P0107
Manifold Absolute Pressure (MAP) Sensor Circuit Low Voltage
DTC P0108
Manifold Absolute Pressure (MAP) Sensor Circuit High Voltage
DTC P0112
Intake Air Temperature (IAT) Sensor Circuit Low Voltage
DTC P0113
Intake Air Temperature (IAT) Sensor Circuit High Voltage
DTC P0116
Engine Coolant Temperature (ECT) Sensor Performance
DTC P0117
Engine Coolant Temperature (ECT) Sensor Circuit Low Voltage
DTC P0118
Engine Coolant Temperature (ECT) Sensor Circuit High Voltage
DTC P0125
Engine Coolant Temperature (ECT) Insufficient for Closed Loop Fuel Control
DTC P0128
Engine Coolant Temperature (ECT) Below Thermostat Regulating Temperature
DTC P0131 or P0151
HO2S Circuit Low Voltage
DTC P0132 or P0152
HO2S Circuit High Voltage
DTC P0133 or P0153
HO2S Slow Response
DTC P0134 or P0154
HO2S Circuit Insufficient Activity
DTC P0135, P0141, P0155, or P0161
HO2S Heater Performance
DTC P0137 or P0157
HO2S Circuit Low Voltage
DTC P0138 or P0158
HO2S Circuit High Voltage
DTC P0140 or P0160
HO2S Circuit Insufficient Activity
DTC P0171 or P0174
Fuel Trim System Lean
DTC P0172 or P0175
Fuel Trim System Rich
DTC P0200
Injector Control Circuit
DTC P0218
Transmission Fluid Overtemperature
DTC P0230
Fuel Pump Relay Control Circuit
DTC P0300
Engine Misfire Detected
DTC P0325
Knock Sensor Module Performance
DTC P0335
Crankshaft Position (CKP) Sensor Circuit
DTC P0336
Crankshaft Position (CKP) Sensor Performance
DTC P0341
Camshaft Position (CMP) Sensor Performance
DTC P0342
Camshaft Position (CMP) Sensor Circuit Low Voltage
DTC P0343
Camshaft Position (CMP) Sensor Circuit High Voltage
DTC P0351-P0358
Ignition Coil Control Circuit
DTC P0410
Secondary Air Injection (AIR) System
DTC P0418
Secondary Air Injection (AIR) Pump Relay Control Circuit
DTC P0420 or P0430
Catalyst System Low Efficiency
DTC P0440
Evaporative Emission (EVAP) System
DTC P0442
Evaporative Emission (EVAP) System Small Leak Detected
DTC P0443
Evaporative Emission (EVAP) Purge Solenoid Control Circuit
DTC P0446
Evaporative Emission (EVAP) Vent System Performance
DTC P0449
Evaporative Emission (EVAP) Vent Solenoid Control Circuit
DTC P0452
Fuel Tank Pressure Sensor Circuit Low Voltage
DTC P0453
Fuel Tank Pressure Sensor Circuit High Voltage
DTC P0461
Fuel Level Sensor Performance
DTC P0462
Fuel Level Sensor Circuit Low Voltage
DTC P0463
Fuel Level Sensor Circuit High Voltage
DTC P0480
Cooling Fan Relay 1 Control Circuit
DTC P0481
Cooling Fan Relay 2 and 3 Control Circuit
DTC P0500
Vehicle Speed Sensor (VSS) Circuit
DTC P0502
Vehicle Speed Sensor (VSS) Circuit Low Input
DTC P0503
Vehicle Speed Sensor (VSS) Circuit Intermittent
DTC P0506 or P0507
Incorrect Idle Speed
DTC P0522
Engine Oil Pressure (EOP) Sensor Circuit Low Voltage
DTC P0523
Engine Oil Pressure (EOP) Sensor Circuit High Voltage
DTC P0530
Air Conditioning (A/C) Refrigerant Pressure Sensor Circuit
DTC P0562
System Voltage Low
DTC P0563
System Voltage High
DTC P0567
Cruise Control Resume Switch Circuit
DTC P0568
Cruise Control Set Switch Circuit
DTC P0571
Cruise Control Brake Switch Circuit
DTC P0601-P0607, P1600, P1621, P1627, P1680, P1681, P1683, or P2610
ECU Malfunction
DTC P0608
Vehicle Speed Output Circuit
DTC P0645
Air Conditioning (A/C) Clutch Relay Control Circuit
DTC P0650
Malfunction Indicator Lamp (MIL) Control Circuit
DTC P0654
Engine Speed Output Circuit
DTC P0704
Clutch Switch Circuit
DTC P0706
Trans Range Switch Performance
DTC P0711
TFT Sensor Circuit Range/Performance
DTC P0712
Transmission Fluid Temperature (TFT) Sensor Circuit Low Input
DTC P0713
Transmission Fluid Temperature (TFT) Sensor Circuit High Input
DTC P0719
Brake Switch Circuit Low Input
DTC P0724
Brake Switch Circuit High Input
DTC P0740
TCC Enable Solenoid Circuit Electrical
DTC P0742
TCC System Stuck On
DTC P0748
Pressure Control Solenoid Circuit Electrical
DTC P0751
1-2 Shift Solenoid Valve Performance
DTC P0752
1-2 Shift Solenoid (SS) Valve Performance - No Second Or Third Gear
DTC P0753
1-2 Shift Solenoid Circuit Electrical
DTC P0756
2-3 Shift Solenoid Valve Performance
DTC P0757
2-3 Shift Solenoid (SS) Valve Performance - No Third Or Fourth Gear
DTC P0758
2-3 Shift Solenoid Circuit Electrical
DTC P0785
3-2 Shift Solenoid Circuit Electrical
DTC P0801
Reverse Inhibit Solenoid Control Circuit
DTC P0803
Skip Shift Solenoid Control Circuit
DTC P0804
Skip Shift Lamp Control Circuit
DTC P1111
Intake Air Temperature (IAT) Sensor Circuit Intermittent High Voltage
DTC P1112
Intake Air Temperature (IAT) Sensor Circuit Intermittent Low Voltage
DTC P1114
Engine Coolant Temperature (ECT) Sensor Circuit Intermittent Low Voltage
DTC P1115
Engine Coolant Temperature (ECT) Sensor Circuit Intermittent High Voltage
DTC P1120
Throttle Position (TP) Sensor 1 Circuit
DTC P1125
Accelerator Pedal Position (APP) System
DTC P1133 or P1153
HO2S Insufficient Switching
DTC P1134 or P1154
HO2S Transition Time Ratio
DTC P1220
Throttle Position (TP) Sensor 2 Circuit
DTC P1221
Throttle Position (TP) Sensor 1- 2 Correlation
DTC P1258
Engine Coolant Overtemperature - Protection Mode Active
DTC P1275
Accelerator Pedal Position (APP) Sensor 1 Circuit
DTC P1276
Accelerator Pedal Position (APP) Sensor 1 Performance
DTC P1280
Accelerator Pedal Position (APP) Sensor 2 Circuit
DTC P1281
Accelerator Pedal Position (APP) Sensor 2 Performance
DTC P1285
Accelerator Pedal Position (APP) Sensor 3 Circuit
DTC P1286
Accelerator Pedal Position (APP) Sensor 3 Performance
DTC P1336
Crankshaft Position (CKP) System Variation Not Learned
DTC P1380
Misfire Detected - Rough Road Data Not Available
DTC P1381
Misfire Detected - No Communication with Brake Control Module
DTC P1415 or P1416
Secondary Air Injection (AIR) System
DTC P1431
Fuel Level Sensor 2 Performance
DTC P1432
Fuel Level Sensor 2 Circuit Low Voltage
DTC P1433
Fuel Level Sensor 2 Circuit High Voltage
DTC P1441
Evaporative Emission (EVAP) System Flow During Non-Purge
DTC P1514
Throttle Body Performance
DTC P1515
Control Module Throttle Actuator Position Performance
DTC P1516
Throttle Actuator Control (TAC) Module Throttle Actuator Position Performance
DTC P1517
Throttle Actuator Control (TAC) Module Performance
DTC P1518
Throttle Actuator Control (TAC) Module Serial Data Circuit
DTC P1539
Air Conditioning (A/C) Clutch Feedback Circuit High Voltage
DTC P1546
Air Conditioning (A/C) Clutch Feedback Circuit Low Voltage
DTC P1574
Stoplamp Switch Circuit
DTC P1575
Extended Travel Brake Switch Circuit
DTC P1626
Theft Deterrent Fuel Enable Signal Lost
DTC P1630
Theft Deterrent Learn Mode Active
DTC P1631
Theft Deterrent Start Enable Signal Not Correct
DTC P1635
5 Volt Reference 1 Circuit
DTC P1637
Generator L-Terminal Circuit
DTC P1638
Generator F-Terminal Circuit
DTC P1639
5 Volt Reference 2 Circuit
DTC P1652
Powertrain Induced Chassis Pitch Output Circuit
DTC P1810
TFP Valve Position Switch Circuit
DTC P1860
TCC PWM Solenoid Circuit Electrical
DTC P1870
Transmission Component Slipping
DTC U1000 and U1255
Class 2 Communication Malfunction
DTC U1001-U1254
Lost Communication with XXX
DTC U1300, U1301, or U1305
Class 2 Data Link Shorted