C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

C4 ALDL Codes

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Old Nov 22, 2010 | 06:33 PM
  #1  
85VetteTerreHaute's Avatar
85VetteTerreHaute
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From: Terre Haute Indiana
Default C4 ALDL Codes

It took me a bit to find the codes, so I thought I would pst them here incase anyone else was looking fr them.


Code Circuit or Sensor
13 Oxygen Sensor Circuit
14 Coolant Sensor Circuit (High)
15 Coolant Sensor Circuit (Low)
16 Ignition Pblms (Used on 1992-1996 models only)
21 Throttle Position Sensor (TPS) (High)
22 Throttle Position Sensor (TPS) (Low)
23 Intake Air Temperature (Low)
24 Vehicle Speed Sensor (VSS)
25 Intake Air Temperature (High)
26 Quad Driver Module Number 1
27 Quad Driver Module Number 2
28 Quad Driver Module Number 3
32 Exhaust Gas Recirculation Circuit
33 Mass Air Flow Sensor Circuit (1985-1990)
33 Manifold Absolute Pressure High (1984)
34 Mass Air Flow Circuit (1985-1990)
34 Manifold Absolute Pressure Low (1984)
35 Idle Air Control Circuit (IAC)
36 Mass Air Flow Burn Off Circuit
41 Cylinder Select Error Circuit (1985-1991)
42 Electronic Spark Timing Circuit (EST)
43 Knock Sensor Circuit
44 Lean Exhaust Present
45 Rich Exhaust Present
46 VATS Anti Theft Circuit Fault
51 PROM / EEPROM Error
52 Oil Temperature Circuit (Low Temperature)
53 System Charging Voltage High or Low
54 Fuel Pump Circuit (Low Voltage)
55 Engine Running Lean
62 Oil Temperature Circuit (High Temperature)
63 Oxygen Sensor Circuit (Open)
64 Oxygen Sensor Circuit (Lean Exhaust)
65 Oxygen Sensor Circuit (Rich Exhaust)
66 Air Conditioner Pressure Limit Exceeded
67 Air Conditioner Pressure Limit Exceeded
68 Air Conditioner Relay Fault
69 Air Conditioner Clutch Fault
72 Gear Selector Switch Fault (Start Lockout)
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Old Dec 28, 2010 | 02:57 PM
  #2  
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i see in the forum people talking about cades where do these come from? and how do i find them?
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Old Dec 28, 2010 | 06:33 PM
  #3  
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Originally Posted by usarmysgt
i see in the forum people talking about codes where do these come from? and how do i find them?
If the computer sees a fault in a system it puts up a code
You can read the codes to see what system has a problem
See
http://www.corvettebuyers.com/c4vettes/codes.htm
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