Home/Chevrolet/Camaro/Chevrolet Camaro IV (1992-1998)/Repair manual/Engine Controls - Tests W/codes - 5.7l/TROUBLE CODE DEFINITIONS

Contents

Wiring diagrams Section: Engine Controls - Tests W/codes - 5.7l

INTRODUCTION

SELF-DIAGNOSTIC SYSTEM

HARD FAILURES

INTERMITTENT FAILURES

DIAGNOSTIC PROCEDURE

READING TROUBLE CODES

TROUBLE CODE DEFINITIONS

HARD OR INTERMITTENT TROUBLE CODE DETERMINATION

CLEARING TROUBLE CODES

PCM LOCATION

Diagnostic Aids

Field Service Mode Check (If Available)

SPECIAL TOOLS (DIAGNOSTIC)

SCAN TESTER USAGE

SCAN DATA

ECM/PCM CODE CHARTS

CODE 11, MALFUNCTION INDICATOR LIGHT

CODE 13, OPEN OXYGEN SENSOR CIRCUIT

CODE 14, COOLANT TEMP SENS SGNL VLTGE LOW (HI TEMP INDICATED)

CODE 15, COOLANT TEMP SENSOR SIGNAL VOLTAGE LOW

CODE 16, OPTI-SPARK IGNITION SYSTEM LOW RESOLUTION PULSE

CODE 18, INJECTOR CIRCUIT

CODE 21, THROTTLE POSITION SENSOR SIGNAL VOLTAGE HIGH

CODE 22, THROTTLE POSITION SENSOR SIGNAL VOLTAGE LOW

CODE 23, IAT SENSOR SIGNAL VOLTAGE HIGH (LOW TEMP INDICATED)

CODE 24, VEHICLE SPEED SENSOR

CODE 25, IAT SENSOR SIGNAL VOLTAGE LOW (HIGH TEMP INDICATED)

CODE 26, CANISTER PURGE SOLENOID

CODE 27, EGR SOL VALVE

CODE 28, TRANS. RANGE PRESSURE SWITCH

CODE 29, SECONDARY AIR INJECTION

CODE 32, EGR SYSTEM ERROR

CODE 33, MAP SENSOR SIGNAL VOLTAGE HIGH

CODE 34, MAP SENSOR SIGNAL VOLTAGE LOW

CODE 36, OPTI-SPARK HIGH RESOLUTION PULSE

CODE 37, TCC BRAKE SWITCH ERROR

CODE 38, BRAKE SWITCH ERROR

CODE 41, OPTI-SPARK IGNITION SYSTEM OPEN OR SHORTED EST CIRCUIT

CODE 42, IC CIRCUIT GROUNDED

CODE 43, KNOCK SENSOR CIRCUIT (DUAL SENSORS)

CODE 44, LEAN EXHAUST INDICATION

O2 Sensor Wire

Fuel Contamination

Fuel Pressure

Exhaust Leaks

Misfire Or Stall

CODE 45, RICH EXHAUST INDICATION

Fuel Pressure High

Ignition Ground

Evaporative Fuel Canister

MAP Sensor

TPS

O2 Sensor Contamination

EGR Problem

CODE 46, PASS-KEY CIRCUIT

Pass-Key Diagnosis

CODE 47, KNOCK SENSOR MODULE

CODE 48, MASS AIRFLOW SENSOR

CODE 50, SYSTEM VOLTAGE LOW

CODE 52, FAULTY CAL-PAK

CODE 53, SYSTEM VOLTAGE HIGH

CODE 55, PCM ERROR

CODE 55, FUEL LEAN MONITOR

CODE 58, TRANS TEMPERATURE SENSOR HIGH TEMPERATURE

CODE 59, TRANS. TEMPERATURE SENSOR LOW TEMPERATURE

CODE 61, A/C SYSTEM PERFORMANCE

CODE 66, A/C PRESSURE SENSOR

CODE 67, A/C PRESSURE SENSOR

CODE 68, A/C RELAY CIRCUIT SHORTED

CODE 69, A/C COMPRESSOR RELAY

CODE 70, A/C COMPRESSOR RELAY DRIVER

CODE 71, A/C TEMPERATURE (CIRCUIT OPEN OR SHORTED)

CODE 72, VEHICLE SPEED SENSOR LOSS

CODE 73, PRESSURE CONTROL SOLENOID

CODE 74, TRACTION CONTROL VOLTAGE LOW

CODE 75, TRANSMISSION VOLTAGE LOW

CODE 77, PRIMARY COOLING FAN DRIVER

CODE 78, SECONDARY COOLING FAN DRIVER

CODE 79, TRANSMISSION FLUID OVERTEMP

CODE 81, 2-3 SHIFT SOLENOID

CODE 82, 1-2 SHIFT SOLENOID

CODE 83, REVERSE INHIBIT SOLENOID - M/T

CODE 83, TCC PWM SOLENOID - A/T

CODE 84, SKIP SHIFT SOLENOID - M/T

CODE 84, 3-2 CONTROL SOLENOID

CODE 85, TCC STUCK ON

CODE 90, TCC SOLENOID CIRCUIT

CODE 91, SKIP SHIFT LIGHT

CODE 95, CHANGE OIL LIGHT

CODE 96, LOW OIL LIGHT

CODE 97, VSS OUTPUT CIRCUIT

CODE 99 TACH OUTPUT CIRCUIT

SUMMARY

All sections

TROUBLE CODE DEFINITIONS Chevrolet Camaro IV

Engine Controls - Tests W/codes - 5.7l

TROUBLE CODE DEFINITIONS

DTC	Circuit Affected
11	Malfunction Indicator Light
13	Open Oxygen Sensor Circuit
14	Coolant Temp Sens Sgnl Vltge Low (HI TEMP Indicated)
15	Coolant Temp Sensor Signal Voltage Low
16	Opti-Spark Ignition System Low Resolution Pulse
18	Injector Circuit
21	Throttle Position Sensor Signal Voltage High
22	Throttle Position Sensor Signal Voltage Low
23	IAT Sensor Signal Voltage High (LOW TEMP Indicated)
24	Vehicle Speed Sensor
25	IAT Sensor Signal Voltage Low (HIGH TEMP Indicated)
26	Canister Purge Solenoid
27	EGR Sol Valve
28	Trans. Range Pressure Switch
29	Secondary Air Injection
32	EGR System Error
33	MAP Sensor Signal Voltage High
34	MAP Sensor Signal Voltage Low
36	Opti-Spark High Resolution Pulse
37	TCC Brake Switch Error
38	Brake Switch Error
41	Opti-Spark Ignition System Open Or Shorted EST Circuit
42	IC Circuit Grounded
43	Knock Sensor Circuit (Dual Sensors)
44	Lean Exhaust Indication
45	Rich Exhaust Indication
46	Pass-Key Circuit
47	Knock Sensor Module
48	MASS Airflow Sensor
50	System Voltage Low
52	Faulty CAL-PAK
53	System Voltage High
55	PCM Error
55	Fuel Lean Monitor
58	Trans Temperature Sensor High Temperature
59	Trans. Temperature Sensor Low Temperature
61	A/C System Performance
66	A/C Pressure Sensor
67	A/C Pressure Sensor
68	A/C Relay Circuit SHORTED
69	A/C Compressor Relay
70	A/C Compressor Relay Driver
71	A/C Temperature (Circuit Open Or Shorted)
72	Vehicle Speed Sensor Loss
73	Pressure Control Solenoid
74	Traction Control Voltage Low
75	Transmission Voltage Low
77	Primary Cooling Fan Driver
78	Secondary Cooling Fan Driver
79	Transmission Fluid Overtemp
81	2-3 Shift Solenoid
82	1-2 Shift Solenoid
83	Reverse Inhibit Solenoid - M/T
83	TCC PWM Solenoid - A/T
84	Skip Shift Solenoid - M/T
84	3-2 Control Solenoid (A/T)
85	TCC Stuck On
90	TCC Solenoid Circuit
91	Skip Shift Light
95	Change Oil Light
96	Low Oil Light
97	VSS Output Circuit
99	TACH Output Circuit

DIAGNOSTIC TROUBLE CODE (DTC) DEFINITIONS