Corvette Error Codes
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The computer will automatically display all the codes your car has created. It will cycle through each code every 3 mustang error codes seconds. Any code that ends in H is a history code (something
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that has occured in the past) but is fine now. Once the computer has finished going through all of
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it's codes, press RESET to enter Manual Configuration mode. It should start with a module and show "NO CODES" or "# CODES". To optionally reset the codes once in manual mode,
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press and hold RESET until it displays "NO CODES". Press OPTIONS to go to the next module. Repeat the steps in this paragraph until you have reset the codes in all the computer modules. NOTE !! Only reset the codes IF you want to - it is NOT necessary to do this. CODE LIST 10-PCM - Powertrain Control Module P0101 Mass Air bmw error codes Flow (MAF) System Performance P0102 Mass Air Flow (MAF) Sensor Circuit Low Frequency P0103 Mass Air Flow (MAF) Sensor Circuit High Frequency P0107 Manifold Pressure (MAP) Sensor Circuit Low Voltage P0108 Manifold Pressure (MAP) Sensor Circuit High Voltage P0112 Intake Air Temp (IAT) Sensor Circuit Low Voltage P0113 Intake Air Temp (IAT) Sensor Circuit High Voltage P0117 Engine Coolant Temp (ECT) Sensor Low Voltage P0118 Engine Coolant Temp (ECT) Sensor High Voltage P0118 Engine Coolant Temperature (ECT) Excessive Time to Closed Loop Fuel Control P0131 Heated Oxygen Sensor (HO2S) Circuit Low Voltage Bank 1 Sensor 1 P0132 Heated Oxygen Sensor (HO2S) Circuit High Voltage Bank 1 Sensor 1 P0133 Heated Oxygen Sensor (HO2S) Slow Response Bank 1 Sensor 1 P0134 Heated Oxygen Sensor (HO2S) Circuit Insufficient Activity Bank 1 Sensor 1 P0135 Heated Oxygen Sensor (HO2S) Heater Circuit Bank 1 Sensor 1 P0137 Heated Oxygen Sensor (HO2S) Circuit Low Voltage Bank 1 Sensor 2 P0138 Heated Oxygen Sensor (HO2S) Circuit High Voltage Bank 1 Sensor 2 P0140 Heated Oxygen Sensor (HO2S) Circuit Insufficient Activity Bank 1 Sensor 2 P0141 Heated Oxygen Sensor (HO2S) Heater Circuit Ban
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Shop C7 Parts (2014+) Shop Swap Meet Parts Shop Accessories & Apparel Subscribe C4 Diagnostic Trouble Codes January 21, 2011August 21, 2015 http://tech.corvettecentral.com/2011/01/c4-diagnostic-trouble-codes/ CC Tech C4 (84-96), Electronics & Audio, Engine & Drivetrain, Interior, Suspension Codes, Codes, Codes… Have you noticed "SYS" intermittently showing up in your 1990-1996 Corvette's speedometer display? This means there is a trouble code stored in one of the on-board control modules. When the 1990 Corvette debuted, GM introduced ECM (Engine Control Module) and CCM (Central error codes Control Module) trouble codes.  In addition, ABS/ASR (Anti-lock Brake System/Acceleration Slip Regulation) and EBTCM (Electronic Brake Traction Control Module) trouble codes and data were introduced on the 1992-1996 Corvettes. Although limited ECM data is available, it can point you in the right direction. For example, the CCM interaction is invaluable when diagnosing interior component or courtesy light problems corvette error codes and the VATS (Vehicle Anti-theft System). The ALDL (Assembly Line Diagnostic Link) is used to access the codes with a jumper wire. The jumper wire is placed in the proper connector slots and the interrogation begins. Interrogation can be a daunting task. This 1990-1993 ALDL has the jumper in place. Watch that the twisted wires stay inside the terminal during installation. Any loose strands could short another terminal. 1990-1993 Corvettes use the first generation ALDL connector. It houses a fuel pump override lead that has battery voltage. This connector position can harm other ALDL circuits if battery voltage is inadvertently jumped to a control circuit. Our 1994-1996 ALDL has the jumper wire in place ready for CCM interrogation. 1994-1996 Corvettes with the later designated OBDII (On-board Diagnostics) connector use battery voltage for scanner power, so it also has the potential for possible circuit damage. There is no real concern if you are careful during the installation of the jumper wire. There is no way to damage any component during the interrogati