What are the crucial steps and precautions for servicing the Air Bag Control Module on Mercury Mountaineer?

When changing the Restraints Control Module (RCM), ensure it is mounted in its original horizontal position with the ignition ON to avoid airbag deployment due to accident. Check post collision damage, replace where necessary, and check appropriate torque of 12 Nm. Safety glasses are always used, no memory savers and check SRS functionality prior to vehicle release.

How to service the Air Bag Control Module on Mercury Mountaineer?

To service the Air Bag Control Module, make sure Restraints Control Module (RCM) is properly aligned. Check the damage following a collision, dislodge battery and beware of astatic electricity. Safety Disassemble the RCM by unbolting connector and bolts and then reassemble and test functionality with the Restraint System Diagnostic Tool.

OEM Mercury Mountaineer Air Bag Control Module

SRS Airbag Module

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12 Air Bag Control Modules found

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Mercury Mountaineer Control Module Part Number: 1L2Z-14B321-BA
$239.16 MSRP: $328.13
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Product Specifications
- Other Name: Sensor Assembly - Airbag; Air Bag Control Module; Diagnostic Module; Sensor Assembly - Air Bag
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2002 Mercury Mountaineer | Base | 6 Cyl 4.0 L FLEX, 6 Cyl 4.0 L GAS, 8 Cyl 4.6 L GAS
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Mercury Mountaineer Control Module Part Number: 9L2Z-14B321-A
Product Specifications
- Other Name: Sensor Assembly - Airbag; Air Bag Control Module; Diagnostic Module; Sensor Assembly - Air Bag
- Replaces: 7L2Z-14B321-D, 6L2Z-14B321-HA, 6L2Z-14B321-FA, 8L2Z-14B321-A, 7L2Z-14B321-B
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2006-2010 Mercury Mountaineer | Base, Convenience, Luxury, Premier | 6 Cyl 4.0 L GAS, 8 Cyl 4.6 L GAS
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Mercury Mountaineer Control Module Part Number: XL2Z-14B321-EB
Product Specifications
- Other Name: Sensor Assembly - Airbag; Air Bag Control Module; Diagnostic Module
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1999-2001 Mercury Mountaineer | Base | 6 Cyl 4.0 L GAS, 8 Cyl 5.0 L GAS
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Mercury Mountaineer Control Module Part Number: XL2Z-14B321-AA
Product Specifications
- Other Name: Sensor Assembly - Airbag; Air Bag Control Module; Diagnostic Module; Sensor Assembly - Air Bag
- Manufacturer Note: Sensor and bracket, kick panel, w/seat air bag
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1999-2001 Mercury Mountaineer | Base | 6 Cyl 4.0 L GAS, 8 Cyl 5.0 L GAS
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Mercury Mountaineer Diagnostic Module Part Number: F67Z-14B215-A
Product Specifications
- Other Name: Monitor - Airbag Diagnostic; Air Bag Control Module; Diagnostic Unit; Monitor; Monitor - Airbag Diagnostic Module
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1997-1998 Mercury Mountaineer | Base | 6 Cyl 4.0 L GAS, 8 Cyl 5.0 L GAS
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Mercury Mountaineer Control Module Part Number: 7L2Z-14B321-C
Product Specifications
- Other Name: Sensor Assembly - Airbag; Air Bag Control Module; Diagnostic Module; Sensor Assembly - Air Bag
- Replaces: 6L2Z-14B321-EA, 6L2Z-14B321-GA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2006 Mercury Mountaineer | Convenience, Luxury, Premier | 6 Cyl 4.0 L GAS, 8 Cyl 4.6 L GAS
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Mercury Mountaineer Diagnostic Module Part Number: 6L2Z-14B321-AA
Product Specifications
- Other Name: Sensor Assembly - Airbag; Sensor Assembly - Air Bag
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2006-2007 Mercury Mountaineer | Base, Convenience, Luxury, Premier | 6 Cyl 4.0 L GAS, 8 Cyl 4.6 L GAS
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Mercury Mountaineer Control Module Part Number: 4L2Z-14B321-BA
Product Specifications
- Other Name: Sensor Assembly - Airbag; Air Bag Control Module; Diagnostic Module; Sensor Assembly - Air Bag
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2004-2005 Mercury Mountaineer | Base, Convenience, Luxury, Premier | 6 Cyl 4.0 L FLEX, 6 Cyl 4.0 L GAS, 8 Cyl 4.6 L GAS
View related parts
Mercury Mountaineer Control Module Part Number: 4L2Z-14B321-AA
Product Specifications
- Other Name: Sensor Assembly - Airbag; Air Bag Control Module; Diagnostic Module; Sensor Assembly - Air Bag
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2004-2005 Mercury Mountaineer | Base, Convenience, Luxury, Premier | 6 Cyl 4.0 L FLEX, 6 Cyl 4.0 L GAS, 8 Cyl 4.6 L GAS
View related parts
Mercury Mountaineer Control Module Part Number: 2L2Z-14B321-FA
Product Specifications
- Other Name: Sensor Assembly - Airbag; Air Bag Control Module; Diagnostic Module; Sensor Assembly - Air Bag
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2002-2003 Mercury Mountaineer | Base | 6 Cyl 4.0 L FLEX, 6 Cyl 4.0 L GAS, 8 Cyl 4.6 L GAS
View related parts
Mercury Mountaineer Control Module Part Number: 2L2Z-14B321-EA
Product Specifications
- Other Name: Sensor Assembly - Airbag; Air Bag Control Module; Diagnostic Module; Sensor Assembly - Air Bag
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2002-2003 Mercury Mountaineer | Base | 6 Cyl 4.0 L FLEX, 6 Cyl 4.0 L GAS, 8 Cyl 4.6 L GAS
View related parts
Mercury Mountaineer Control Module Part Number: 1L2Z-14B321-AA
Product Specifications
- Other Name: Sensor Assembly - Airbag; Air Bag Control Module; Diagnostic Module; Sensor Assembly - Air Bag
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2002 Mercury Mountaineer | Base | 6 Cyl 4.0 L FLEX, 6 Cyl 4.0 L GAS, 8 Cyl 4.6 L GAS

Mercury Mountaineer Air Bag Control Module

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Mercury Mountaineer Air Bag Control Module Parts and Q&A

Control Module
4L2Z-14B321-AA
Q: What are the crucial steps and precautions for servicing the Air Bag Control Module on Mercury Mountaineer?
A: When changing the Restraints Control Module (RCM), ensure it is mounted in its original horizontal position with the ignition ON to avoid airbag deployment due to accident. Check post collision damage, replace where necessary, and check appropriate torque of 12 Nm. Safety glasses are always used, no memory savers and check SRS functionality prior to vehicle release.
Control Module
XL2Z-14B321-EB
Q: How to service the Air Bag Control Module on Mercury Mountaineer?
A: To service the Air Bag Control Module, make sure Restraints Control Module (RCM) is properly aligned. Check the damage following a collision, dislodge battery and beware of astatic electricity. Safety Disassemble the RCM by unbolting connector and bolts and then reassemble and test functionality with the Restraint System Diagnostic Tool.