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TRANSMISSION CONTROL SYSTEM (4L30–E) 7A1–23 D Type C (if the vehicle is so equipped) D Non-Emissions related D Requests illumination of the Service Lamp or the first trip with a fail D Stores a History DTC on the first trip with a fail D Does not store a Freeze Frame D Stores Fail Record when test fails D Updates the Fail Record each time the diagnostic D Type D D Non-Emissions related D Not request illumination of any lamp D Stores a History DTC on the first trip with a fail D Does not store a Freeze Frame D Stores Fail Record when test fails D Updates the Fail Record each time the diagnostic IMPORTANT: Only four Fail Records can be stored. Each Fail Record is for a different DTC. It is possible that Clear DTC NOTE: If you clear the DTC (Diagnostic Trouble Codes) NOTE: To use the DTC again to identify a problem, you 1. IF you have a Tech 2: 1. Connect the Tech 2 if it is still not connected GOTHROUGH Tech 2 OBD II CONNECTION. 2. Push “F1: Clear DTC Information” in the Application Menu and answer “Yes” to the a. When a malfunction remains as it is the Tech 2 displays “4L30E CODES NOT CLEARED”. This b. When a malfunction has been repaired and the recovery is done. The Tech 2 displays “4L30E 2. IF you have no Tech 2: Disconnect the PCM battery feed as necessary. DTC Check 1. Diagnostic Trouble Codes (DTC) have been identified by Tech 2. 2. You have written the list of the DTCs. The order of the malfunctions has no meanings for this PCM. Usually 3. Check directly the DTCs you identified. The DTCs are sorted by number. Refer to Diagnostic Trouble Code PCM Precaution The PCM can be damaged by: 1. Electrostatic discharge ground. Electrostatic Discharge Damage Description: 1. Electronic components used to control systems are often designed to carry very low voltage, and are very 2. There are several ways for a person to become statically charged. The most common methods of NOTICE: To prevent possible electrostatic discharge damage: 1. Do not touch the PCM connector pins or soldered components on the PCM circuit board. 2. Be sure to follow the guidelines listed below if servicing any of these electronic components: 3. Do not open the replacement part package until it is time to install the part. 4. Avoid touching electrical terminals of the part. the package to a known good ground on the vehicle. 6. Always touch a known good ground before handling the part. This step should be repeated before |