LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Acura >> 1996 >> 2.5TL >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes >> Self-Diagnostic System >> Diagnostic Trouble Code Identification
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Diagnostic Trouble Code Identification

DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION

DTC (MIL Code) Description
P0101  (50) MAF Sensor Range/Performance Problem
P0102  (50) MAF Circuit Low Input
P0103  (50) MAF Circuit High Input
P0106  (5) MAP Sensor Range/Performance Problem
P0107  (3) MAP Sensor Circuit Low Input
P0108  (3) MAP Sensor Circuit High Input
P0112  (10) IAT Circuit Low Input
P0113  (10) IAT Circuit High Input
P0116  (86) ECT Sensor Range/Performance Problem
P0117  (6) ECT Circuit Low Input
P0118  (6) ECT Circuit High Input
P0122  (7) Throttle Position Circuit Low Input
P0123  (7) Throttle Position Circuit High Input
P0130  (1) Primary HO2S Circuit Malfunction
P0131  (2) Right Primary HO2S Low Voltage
P0132  (2) Right Primary HO2S High Voltage
P0133  (61) Primary HO2S Slow Response
P0135  (41) Primary HO2S Heater Circuit Malfunction
P0137  (63) Secondary HO2S Low Voltage
P0138  (63)  
Secondary HO2S High Voltage
P0139  (63) Secondary HO2S Slow Response
P0141  (65) Secondary HO2S Heater Circuit Malfunction
P0151  (N/A) Left Primary HO2S Low Voltage
P0152  (N/A) Left Primary HO2S High Voltage
P0153  (61) Left Primary HO2S Slow Response
P0155  (41) Left Primary HO2S Heater Circuit Malfunction
P0171  (45) System Too Lean
P0172  (45) System Too Rich (Right Bank)
P0172  (46) System Too Rich (Right Bank)
P0174  (45) System Too Lean (Left Bank)
P0175  (45) System Too Rich (Left Bank)
P0300  (76) Random Misfire Detected
P0301  (71) Cylinder No. 1 Misfire Detected
P0302  (72) Cylinder No. 2 Misfire Detected
P0303  (73) Cylinder No. 3 Misfire Detected
P0304  (74) Cylinder No. 4 Misfire Detected
P0305  (75) Cylinder No. 5 Misfire Detected
P0325  (53) Right Knock Sensor Circuit Fault
P0327  (23) Front Knock Sensor Circuit Low Input
P0328  (23) Front Knock Sensor Circuit High Input
P0330  (23) Left Knock Sensor Circuit Fault
P0332  (53) Rear Knock Sensor Circuit Low Input
P0333  (53) Rear Knock Sensor Circuit High Input
P0335  (4) CKP Sensor Circuit Low Input
P0336  (4) CKP Sensor Circuit Range/Performance
P0401  (80) EGR Insufficient Flow Detected
P0420  (67) Catalyst System Efficiency Below Threshold
P0441  (92) Evaporative Control System Incorrect Purge Flow
P0452  (N/A) Evaporative Control Pressure Sensor High Voltage
P0453  (N/A) Evaporative Control Pressure Sensor High Voltage
P0500  (17) Vehicle Speed Sensor Circuit Low Input
P0505  (14) Idle Control System Malfunction
P1107  (13) Barometric Pressure Circuit Low Input
P1108  (13) Barometric Pressure Circuit High Input
P1201  (71) Cyl. No. 1 Misfire Detected (Fuel Related)
P1202  (72) Cyl. No. 2 Misfire Detected (Fuel Related)
P1203  (73) Cyl. No. 3 Misfire Detected (Fuel Related)
P1204  (74) Cyl. No. 4 Misfire Detected (Fuel Related)
P1205  (75) Cyl. No. 5 Misfire Detected (Fuel Related)
P1206  (76) Cyl. No. 6 Misfire Detected (Fuel Related)
P1297  (20) Electrical Load Detector Circuit Low Input
P1298  (N/A) Electrical Load Detector Circuit High Input
P1300  (71-76) Random Misfire Detected (Ignition Related)
P1301  (71) Cyl. No. 1 Misfire Detected (Ignition Related)
P1302  (72) Cyl. No. 2 Misfire Detected (Ignition Related)
P1303  (73) Cyl. No. 3 Misfire Detected (Ignition Related)
P1304  (74) Cyl. No. 4 Misfire Detected (Ignition Related)
P1305  (75) Cyl. No. 5 Misfire Detected (Ignition Related)
P1306  (76) Cyl. No. 6 Misfire Detected (Ignition Related)
P1316  (79) Spark Plug Voltage Detection (Left Bank Fault)
P1317  (79) Spark Plug Voltage Detection (Right Bank Fault)
P1318  (79)  
Spark Plug Voltage Detection Module Reset (Left Bank)
P1319  (79) Spark Plug Voltage Detection Module Reset (Right Bank)
P1336  (54) Crankshaft Speed Fluctuation Sensor Intermittent Interruption
P1337  (54) Crankshaft Speed Fluctuation Sensor No Signal
P1359  (8) CKP/TDC Sensor Circuit Disconnected
P1361  (8) TDC Sensor Intermittent Interruption
P1362  (8) TDC Sensor No Signal
P1381  (9) CYP Sensor Intermittent Interruption
P1382  (9) CYP Sensor No Signal
P1386  (59) CYP No. 2 Sensor Range/Performance Problem
P1387  (59) CYP No. 2 Sensor Circuit Fault
P1456  (90) Evaporative System Leak Detected (Fuel Tank Area)
P1457  (90) Evaporative System Leak Detected (Canister Area)
P1459  (92) Evaporative Emission Purge Flow Switch Malfunction
P1491  (12) Insufficient EGR Valve Lift Detected
P1498  (12) EGR Valve Lift Sensor High Voltage
P1508  (14) IAC Valve Circuit Failure
P1607  (N/A) PCM Internal Failure
P1660  (70) A/T FI Data Line Failure
P1681  (30) A/T FI Signal A Low Input
P1682  (30) A/T FI Signal A High Input
P1686  (31) A/T FI Signal B Low Input
P1687  (31) A/T FI Signal B High Input