What does the service of the engine control module (ECM) typically involve on Chevrolet Express 1500?

A resolution for the powertrain control module (PCM) consists of replacing this unit with a new component or executing changes to the electrically erasable programmable read-only memory (EEPROM). The pcm replacement process should begin with assessing the current part to ensure proper component selection. Change your position to the new service pcm when the faulty one has been confirmed. It is essential to operate with the ignition off when adding or removing power from the pcm through any connection process such as handling battery cables or pcm pigtails or pcm fuses or jumper cables. Check the pcm connector surface debris while verifying that gaskets on pcm module connectors are properly installed because these protect against contaminants entering the system. The replacement model needs programming before installation. Initiate the repair by detaching the air cleaner assembly before cutting off the negative Battery Cable making sure to avoid contact with the pins or attachment points in order to prevent electrostatic discharge (ESD) damage. After disconnecting each of the pcm harness connectors you must open the spring latch then lift the pcm from the mounting tray before removing it from the engine compartment. Put the pcm inside its mounting tray before you lock the spring latch and connect the pcm connectors and torque each end fastener to 8 n.m (71 lb in). Reinstall the air cleaner assembly but before that reattach the negative Battery Cable and program a new pcm by using the service programming system (SPS).

OEM Chevrolet Express 1500 Engine Control Module

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11 Engine Control Modules found

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Chevrolet Express 1500 Knock Sensor
Part Number: 12612397
$310.12 MSRP: $629.88
You Save: $319.76 (51%)
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Product Specifications
- Other Name: Module Assembly, Engine Control (W/2ND Mpu); Engine Control Module; ECM; Module, Emission Control System
- Replaces: 12597125
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2008-2009 Chevrolet Express 1500 | Base | 6 Cyl 4.3 L GAS
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Chevrolet Express 1500 ECM
Part Number: 12635043
$209.49 MSRP: $425.50
You Save: $216.01 (51%)
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Product Specifications
- Other Name: Module, Emission Control System; Engine Control Module
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2010-2014 Chevrolet Express 1500 | Base | 6 Cyl 4.3 L GAS
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Chevrolet Express 1500 PCM
Part Number: 12633238
$245.01 MSRP: $496.56
You Save: $251.55 (51%)
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Product Specifications
- Other Name: Module, Emission Control System; Engine Control Module; ECM
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2010-2014 Chevrolet Express 1500 | Base, LS, LT | 8 Cyl 5.3 L FLEX
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Chevrolet Express 1500 ECM
Part Number: 12625455
$232.61 MSRP: $424.70
You Save: $192.09 (46%)
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Product Specifications
- Other Name: Module, Engine Control (W/2ND Mpu); Engine Control Module; Module, Emission Control System
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2009 Chevrolet Express 1500 | Base, LS, LT | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS
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Chevrolet Express 1500 PCM
Part Number: 12612384
$261.01 MSRP: $488.26
You Save: $227.25 (47%)
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Product Specifications
- Other Name: Module, Emission Control System; Engine Control Module; ECM
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2008-2009 Chevrolet Express 1500 | Base, LS, LT | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS
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Chevrolet Express 1500 ECM
Part Number: 12602801
$534.19 MSRP: $962.30
You Save: $428.11 (45%)
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Product Specifications
- Other Name: Module, Powertrain Control (P59)
- Replaced by: 89017749
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2005-2007 Chevrolet Express 1500 | Base, LS, LT | 6 Cyl 4.3 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS
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Chevrolet Express 1500 Control Module
Part Number: 16229684
Product Specifications
- Other Name: Module, Vehicle Control; Engine Control Module; PCM; ECM
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1997 Chevrolet Express 1500 | Base, LS | 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS
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Chevrolet Express 1500 PCM
Part Number: 16244210
Product Specifications
- Other Name: Module, Vehicle Control; Engine Control Module; ECM; Module, Emission Control System
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1996 Chevrolet Express 1500 | Base, LS | 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS
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Chevrolet Express 1500 PCM
Part Number: 12581565
Product Specifications
- Other Name: Module, Emission Control System; Engine Control Module; ECM
- Replaces: 89017733
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2003-2004 Chevrolet Express 1500 | Base, LS | 6 Cyl 4.3 L GAS, 8 Cyl 5.3 L GAS
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Chevrolet Express 1500 Control Module
Part Number: 9366810
$266.44 MSRP: $470.38
You Save: $203.94 (44%)
Product Specifications
- Other Name: Module, Vehicle Control; Engine Control Module; PCM; ECM; Module, Emission Control System
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1998 Chevrolet Express 1500 | Base, LS | 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS
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Chevrolet Express 1500 PCM
Part Number: 16263494
$341.63 MSRP: $610.42
You Save: $268.79 (45%)
Product Specifications
- Other Name: Module, Emission Control System; Engine Control Module; ECM
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1999-2002 Chevrolet Express 1500 | Base, LS, LT | 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS

Chevrolet Express 1500 Engine Control Module

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Chevrolet Express 1500 Engine Control Module Parts Questions & Experts Answers

PCM
12581565
Q: What does the service of the engine control module (ECM) typically involve on Chevrolet Express 1500?
A: A resolution for the powertrain control module (PCM) consists of replacing this unit with a new component or executing changes to the electrically erasable programmable read-only memory (EEPROM). The pcm replacement process should begin with assessing the current part to ensure proper component selection. Change your position to the new service pcm when the faulty one has been confirmed. It is essential to operate with the ignition off when adding or removing power from the pcm through any connection process such as handling Battery Cables or pcm pigtails or pcm fuses or jumper cables. Check the pcm connector surface debris while verifying that gaskets on pcm module connectors are properly installed because these protect against contaminants entering the system. The replacement model needs programming before installation. Initiate the repair by detaching the air cleaner assembly before cutting off the negative Battery Cable making sure to avoid contact with the pins or attachment points in order to prevent electrostatic discharge (ESD) damage. After disconnecting each of the pcm harness connectors you must open the spring latch then lift the pcm from the mounting tray before removing it from the engine compartment. Put the pcm inside its mounting tray before you lock the spring latch and connect the pcm connectors and torque each end fastener to 8 n.m (71 lb in). Reinstall the air cleaner assembly but before that reattach the negative Battery Cable and program a new pcm by using the service programming system (SPS).

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