Code
P1323
ICM 24X Reference Circuit Low Frequency
P1335
Crankshaft Positioning Sensing Circuit
P1336
CKP System Variation Not Learned
P1345
Camshaft To Crankshaft Position Correlation Fault
P1346
CKP Sensor System Variation Not Learned/ Intake Camshaft
Position Performance
P1349
Intake Camshaft Position System
P1350
Ignition Control System
P1351
Ignition Control Circuit Voltage High (except 1998 3.1L)
P1351
Ignition Control Circuit Open (1998 3.1L)
P1352
Bypass Circuit Open Or Voltage High
P1359
Ignition Coil Group 1 Control Circuit
P1360
Ignition Coil group 2 Control Circuit
P1361
IC Circuit Not Toggling
P1361
Ignition Control Circuit Voltage Low (Distributor Ignition)
P1362
Bypass Circuit Shorted Or Voltage Low
P1370
ICM 4X Reference Too Many Pulses
P1371
ICM 4X Reference Too Few Pulses (except Caprice, Fleetwood,
Impala SS & Roadmaster)
P1371
Distributor Ignition Low Resolution Circuit (Caprice, Fleetwood,
Impala SS & Roadmaster)
P1372
CKP Sensor A-B Correlation
P1374
3X Reference Circuit
P1375
ICM 24X Reference Voltage Too High
P1376
Ignition Ground Circuit
P1377
ICM Cam Pulse To 4X Reference Pulse Comparison
P1380
ABS/EBCM/EB(T)CM DTC Detected/Rough Road Data
Unusable
P1381
Misfire Detected No EBCM/EB(T)CM/PCM Serial Data
P1401
Exhaust Gas Recirculation (EGR) flow test fault
P1403
EGR Error
P1404
EGR Valve Closed Pintle Position
P1404
EGR Valve Stuck Open Or Circuit Performance
P1405
EGR Error
P1406
EGR Valve Pintle Position Circuit
OBD 2
DTC Definitions
GENERAL MOTORS (P1323 - P1406)
Definition
85
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