FixVault

Diagnostic Trouble Code Definitions

DIAGNOSTIC TROUBLE CODE DEFINITIONS

DTC Description (1) Perform Test
B0016 Right Front Passenger Frontal Deployment Loop Resistance Low (2)
B0017 Right Front Passenger Frontal Deployment Loop Open (2)
B0018 Right Front Passenger Frontal Deployment Loop Short To Ground Or Voltage Out Of Range (2)
B0022 Left Front Driver Frontal Deployment Loop Resistance Low (2)
B0024 Left Front Driver Frontal Deployment Loop Short To Ground Or Voltage Out Of Range (2)
B0026 Left Front Driver Frontal Deployment Loop Open (2)
B0028 Right Front Passenger Side Deployment Loop Resistance Low (2)
B0029 Right Front Passenger Side Deployment Loop Open (2)
B0030 Right Front Passenger Side Deployment Loop Short To Ground Or Voltage Out Of Range (2)
B0040 Left Front Driver Side Deployment Loop Resistance Low (2)
B0041 Left Front Driver Side Deployment Loop Open (2)
B0045 Left Front Side Deployment Loop Short To Ground Or Voltage Out Of Range (2)
B0051 Deployment Commanded (2)
B0053 Deployment Commanded With Loop Malfunctions Present (2)
B0077 Left Front Side Impact Sensor Malfunction (2)
B007 Right Front Side Impact Sensor Malfunction (2)
B0079 Incorrect Left Front Side Impact Sensor Installed (2)
B0080 Discard Left Front Side Impact Sensor (2)
B0081 Incorrect Right Front Side Impact Sensor Installed (2)
B0082 Discard Right Front Side Impact Sensor (2)
B0530 Fuel Level Sensor Stuck (3)
B0532 Fuel Level Sensor Shorted To Ground (3)
B0533 Fuel Level Sensor Open /Shorted to Battery (3)
B0602 PLL Oscillator Error (3)
B0802 BTSI Short To Ground B0802 
B0803 BTSI Short To Battery B0803 
B0807 BCM Output Short To Power B0807 
B1000 ECU Malfunction (Sensing And Diagnostic Module Or Theft Deterrent Control Module) B1000 
B1001 Sensing And Diagnostic Module Option Configuration Error (2)
B1310 Ambient Temperature Sensor Failure (4)
B1317 Inside Temperature Sensor Failure (4)
B1318 Left Solar Sensor Fault (4)
B1324 A/C Pressure Condition (4)
B1328 Right Solar Sensor Fault (4)
B1330 Left Panel Discharge Sensor Fault (4)
B1331 Right Panel Discharge Sensor Fault (4)
B1332 Left Heater Discharge Sensor Fault (4)
B1333 Right Heater Discharge Sensor Fault (4)
B1334 Passenger Control Assembly Out Of Range (4)
B1340 Air Mix Door No. 1 Movement Fault (4)
B1341 Air Mix Door No. 2 Movement Fault (4)
B1343 Air Inlet Door Movement Fault (4)
B1344 Mode Door Movement Fault (4)
B1399 Loss Of KDD Communications (4)
B1520 RESET Switch Input Shorted To Ground (3)
B1521 ENG/MET Switch Input Shorted To Ground (3)
B1522 FUEL INFO Switch Input Shorted To Ground (3)
B1523 GAUGE INFO Switch Input Shorted To Ground (3)
B1524 ODO/TRIP Switch Input Shorted To Ground (3)
B1521 ENG/MET Switch Input Shorted To Ground (3)
B1522 Fuel Switch Input Shorted To Ground (3)
B1523 Gauge Switch Input Shorted To Ground (3)
B1524 Odometer Switch Input Shorted To Ground (3)
B1652 Loss Of Keep Alive Memory (KAM) (3)
B1656 EEPROM Write Error B1656 
B1657 EEPROM Option Bit/Config Error B1657 
B1658 EEPROM Checksum Error B1658 
B1982 Device Power Circuit High B1982 
B1983 Device Power Circuit Low B1983 
B2101 Recline Aft Switch Failed (5)
B2102 Recline Forward Switch (5)
B2103 Rear Vertical Down Switch Failed (5)
B2104 Rear Vertical Up Switch Failed (5)
B2105 Horizontal Aft Switch Failed (5)
B2106 Horizontal Forward Switch Failed (5)
B2107 Front Vertical Down Switch Failed (5)
B2108 Front Vertical Up Switch Failed (5)
B2109 Lumbar Aft Switch Failed (5)
B2110 Lumbar Forward Switch Failed (5)
B2111 Lumbar Down Switch Failed (5)
B2112 Lumbar Up Switch Failed (5)
B2113 Driver Belt Tower Down Switch Circuit Malfunction (5)
B2114 Driver Belt Tower Up Switch Circuit Malfunction (5)
B2115 Recline Sensor Failed (5)
B2116 Rear Vertical Sensor Failed (5)
B2117 Horizontal Sensor Failed (5)
B2118 Front Vertical Sensor Failed (5)
B2119 Lumbar Forward/Aft Sensor Failed (5)
B2120 Lumbar Up/Down Sensor Failed (5)
B2121 Sensor Out Of Range (5)
B2200 Left Front Window Stuck In Up Position (6)
B2201 Left Front Window Stuck In Down Position (6)
B2202 Right Front Window Stuck In Up Position (6)
B2203 Right Front Window Stuck In Down Position (6)
B2204 Left Rear Window Stuck In Up Position (6)
B2205 Left Rear Window Stuck In Down Position (6)
B2206 Right Rear Window Stuck In Up Position (6)
B2207 Right Rear Window Stuck In Down Position (6)
B2208 Express Window Contact Shorted To Ground (6)
B2212 Driver's Right Front Switch Stuck In Up Position (6)
B2213 Driver's Right Front Switch Stuck In Down Position (6)
B2214 Driver's Left Rear Switch Stuck In Up Position (6)
B2215 Driver's Left Rear Switch Stuck In Down Position (6)
B2216 Driver's Right Rear Switch Stuck In Up Position (6)
B2217 Driver's Right Rear Switch Stuck In Down Position (6)
B2220 Driver's Lock/Unlock Switch Stuck In Lock (7)
B2221 Driver's Lock/Unlock Switch Stuck In Unlock (7)
B2222 Right Front Lock/Unlock Switch Stuck In Lock (7)
B2223 Right Front Lock/Unlock Switch Stuck In Unlock (7)
B2224 Rear Lock/Unlock Switch Stuck In Lock (7)
B2226 Rear Lock/Unlock Switch Stuck In Unlock (7)
B2240 Driver Memory 1 Select Switch Circuit Low B2240 
B2241 Driver Memory 2 Select Switch Circuit Low B2241 
B2242 Driver Memory Exit Switch Circuit Low B2242 
B2452 Theater Dim 1 Open Or Short To Ground B2452 
B2453 Theater Dim 1 Short To Battery B2453 
B2457 Theater Dim 2 Open Or Short To Ground B2457 
B2458 Theater Dim 2 Short To Battery B2458 
B2462 Global Positioning Sensor Signal Error (8)
B2476 Cellular Phone Select Service Switch Malfunction (9)
B2734 Coded Key Controller Memory Failure (10)
B2960 Invalid Coded Key Present (10)
B3031 Key Decoder Device In Assem Learn Mode (10)
B3055 Key Not Present (10)
C1211 ABS Indicator Circuit Short To Power (11)
C1214 Solenoid Valve Relay Contact Or Coil Circuit Open (11)
C1217 Pump Motor Shorted To Ground (11)
C1218 Pump Motor Shorted to Voltage (11)
C1221-C1224 Wheel Speed Sensor Signal Is Zero (11)
C1225-C1228 Excessive Wheel Speed Variation (11)
C1232-C1235 Wheel Speed Circuit Open Or Shorted (11)
C1236 Low ABS System Supply Voltage (11)
C1237 High System Supply Voltage (11)
C1238 Brake Thermal Model Exceeded (11)
C1241 Variable Effort Steering Circuit Malfunction (12)
C1242 Pump Motor Circuit Open (11)
C1243 Brake Pressure Modulator Valve Pump Motor Stalled (11)
C1245 Low Tire Pressure Detected (11)
C1248 Dynamic Rear Proportioning Disabled (11)
C1254 Checksum Error (11)
C1255 Electronic Brake Control Module Internal Malfunction (11)
C1256 Electronic Brake Control Module Internal Malfunction (11)
C1261-C1274 Valve Solenoid Malfunction (11)
C1276 Delivered Torque Signal Circuit Malfunction (11)
C1277 Requested Torque Signal Circuit Malfunction (11)
C1278 Traction Control Switch Temporarily Inhibited By PCM (11)
C1281 Steering Angle Sensor Malfunction (11)
C1282 Steering Angle Sensor Self-Test Failure (11)
C1283 Steering Angle Sensor Not Centered (11)
C1284 Lateral Accelerator Bias Fault (11)
C1285 Lateral Accelerator Voltage High Or Low (11)
C1286 Steering Angle Sensor Bias Fault (11)
C1287 Steering Wheel Position Sensor Input Fault (11)
C1288 Steering Wheel Position Sensor Voltage High Or Low (11)
C1291 Open Brake Light Switch Contacts During Deceleration (11)
C1293 DTC C1291 Set In Previous Ignition Cycle (11)
C1294 Brake Light Switch Circuit Always Active (11)
C1295 Brake Light Switch Circuit Open (11)
P0218 Transmission Fluid Temperature Sensor Signal High (14)
P0462 Fuel Level Signal Low (3)
P0463 Fuel Level Signal High (3)
P0502 Vehicle Speed Sensor Signal Low (14)
P0503 Vehicle Speed Sensor Signal Fault (14)
P0522 Oil Pressure Sensor Voltage Low (3)
P0523 Oil Pressure Sensor Voltage High (3)
P0530 A/C Pressure Sensor Voltage Out Of Range (4)
P0560 System Voltage Out Of Range (13)
P0620 Generator Performance (13)
P0711 Transmission Fluid Temperature Sensor Signal Out Of Range (14)
P0712 Transmission Fluid Temperature Sensor Signal Short To Ground (14)
P0713 Transmission Fluid Temperature Sensor Circuit Open Or Short To Power (14)
P0716 Transmission Input Shaft Speed Sensor Fault (14)
P0719 Brake Switch Circuit Always Open (14)
P0724 Brake Switch Circuit Always Closed (14)
P0730 Excessive Internal Transmission Slip (14)
P0741 Excessive Torque Converter Clutch Slip (14)
P0742 Torque Converter Clutch Release Switch Fault (14)
P0748 Pressure Control Solenoid Valve Fault (14)
P0751 1-2 3-4 Shift Solenoid Fault (14)
P0752 1-2 3-4 Shift Solenoid Fault (14)
P0753 1-2 3-4 Shift Solenoid Voltage High Or Low (14)
P0756 2-3 Shift Solenoid Fault (14)
P0757 2-3 Shift Solenoid Fault (14)
P0758 2-3 Shift Solenoid Voltage High Or Low (14)
P1546 A/C Clutch Relay Control Circuit Open Or Short (4)
P1554 Cruise Control Inhibit Circuit Fault (15)
P1571 Requested Torque Signal Circuit Malfunction (11)
P1585 Cruise Control Inhibit Circuit Voltage High Or Low (15)
P1644 Delivered Torque Signal Voltage Invalid (11)
P1689 Delivered Torque Signal Voltage Invalid (11)
P1810 Transmission Fluid Pressure Manual Valve Position Switch Fault (14)
P1811 Transmission Shift Adaptive Modifier Unable To Adjust Shift (14)
P1814 High Throttle/Low Vehicle Speed (14)
P1819 Internal Mode Switch Signal Invalid (Engine Starting) (14)
P1820 Internal Mode Switch Signal Low (14)
P1822 Internal Mode Switch Signal High (14)
P1823 Internal Mode Switch Signal "P" Low (14)
P1825 Internal Mode Switch Signal Invalid (Engine Running) (14)
P1826 Internal Mode Switch Signal "C" High (14)
P1860 TCC Pulse Width Modulation Solenoid Fault (14)
P1887 TCC Release Switch Fault (14)
PXXXX Powertrain Control Module Fault (16)
U1000 Class 2 Communication Malfunction U1000 
U1001-U1254 Loss Of XXX Communications U1001-U1254 
U1255 Class 2 Communication Malfunction U1255 
U1300 Class 2 Circuit (Short To Ground) U1300 
U1301 Class 2 Circuit (Short To Voltage) U1301 
U1500 OnStar(R) Serial Data Circuit Fault U1500 
(1) Unless otherwise instructed, perform appropriate test under DIAGNOSTIC TESTS  .
(2) For information on air bag DIAGNOSIS & TESTING or DISPOSAL PROCEDURES, see lemon-25(R) AIR BAG SERVICE & REPAIR MANUAL, DOMESTIC & IMPORTED MODELS.
(3) See ANALOG INSTRUMENT PANELS - PARK AVENUE article.
(4) See appropriate AUTOMATIC A/C-HEATER SYSTEMS article in AIR CONDITIONING & HEATING.
(5) See POWER SEATS - PARK AVENUE article.
(6) See POWER WINDOWS - PARK AVENUE article.
(7) See POWER DOOR LOCKS - PARK AVENUE article.
(8) Repair global positioning system as necessary.
(9) Repair cellular phone system as necessary.
(10) See ANTI-THEFT SYSTEMS - PARK AVENUE article.
(11) See ANTI-LOCK/TCS - BOSCH 5.3 - C, G, H & K BODIES article in BRAKES.
(12) See appropriate VARIABLE EFFORT STEERING article in STEERING.
(13) See appropriate GENERATORS & REGULATORS article in STARTING & CHARGING SYSTEMS.
(14) See appropriate ELECTRONIC CONTROLS article in AUTOMATIC TRANSMISSIONS.
(15) See CRUISE CONTROL SYSTEMS - PARK AVENUE article.
(16) For powertrain control module diagnostic trouble code descriptions and testing procedures not listed, see appropriate SELF-DIAGNOSTICS article in ENGINE PERFORMANCE.