Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSFORD1999EXPLORER 4WD V6-4.0L VIN EREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSTECHNICAL SERVICE BULLETINSBY SYMPTOMCUSTOMER INTERESTRESTRAINT SYSTEM - AIR BAG LAMP ON/DTC B1994/B1998
1999 Ford Explorer 4WD V6-4.0L VIN E
Restraint System - Air Bag Lamp ON/DTC B1994/B1998
1999 Ford Explorer 4WD V6-4.0L VIN ESECTION Restraint System - Air Bag Lamp ON/DTC B1994/B1998
Article No.
03-24-1
12/08/03
ELECTRICAL - AIRBAG LAMP ILLUMINATED -
DIAGNOSTIC TROUBLE CODES (DTC'S) B1994
AND/OR B1998
FORD:
1999-2001 EXPLORER SPORT, EXPLORER
MERCURY:
1999-2001 MOUNTAINEER
This article supersedes TSB 01-1-10 to update the model years and vehicle line coverage.
ISSUE
Some 1999-2001 Explorer/Mountaineer 4DR and Explorer Sport 2DR vehicles may exhibit an airbag lamp illuminated intermittently with diagnostic trouble codes (DTC's) B1994 or B1998 stored in memory. This may be due to a high resistance or poor connections in the side air bag (SAB) wiring harness circuits or restraints control module. This condition may occur on vehicles equipped with, or without, side air bags.
ACTION
To service, install an overlay harness which incorporates soldered terminals and tin wiring. Refer to the service procedure for direction on which side air bag kit to order. Installation instructions and illustrations are included in the kit.
SERVICE PROCEDURE
FOR VEHICLES WITHOUT THE (SAB), FOURTH DIGIT OF VIN IS "Y" OR "Z"
1. Install a new Non-SAB wire harness kit 3L2Z-14B455-AB. Refer to the installation instruction sheet included in the kit.
FOR VEHICLES EQUIPPED WITH (SAB), FOURTH DIGIT OF VIN IS "C" OR "D"
1. Install the appropriate harnesses as indicated below. Refer to the installation instruction sheet included in the kit.
^ 1999-2001 4DR Limited Explorer XL2Z-14B455-DB
^ 1999-2001 4DR Explorer (except Limited) and Mountaineer XL2Z-14B455-AC
^ 1999-2000 2DR Explorer XL2Z-14B455-BC
^ 2001 2DR Explorer 1L2Z-14B455-AC
Reference section 501-20A of the appropriate model year Workshop Manual for additional information if needed.
Labor Operation Claiming Chart
OTHER APPLICABLE ARTICLES: NONE
SUPERSEDES: 01-01-10
WARRANTY STATUS: Eligible Under Provisions Of New Vehicle Limited Warranty Coverage
DEALER CODING
CONDITION
BASIC PART NO. CODE
14B455 42
Disclaimer
03-24-1
12/08/03
ELECTRICAL - AIRBAG LAMP ILLUMINATED -
DIAGNOSTIC TROUBLE CODES (DTC'S) B1994
AND/OR B1998
FORD:
1999-2001 EXPLORER SPORT, EXPLORER
MERCURY:
1999-2001 MOUNTAINEER
This article supersedes TSB 01-1-10 to update the model years and vehicle line coverage.
ISSUE
Some 1999-2001 Explorer/Mountaineer 4DR and Explorer Sport 2DR vehicles may exhibit an airbag lamp illuminated intermittently with diagnostic trouble codes (DTC's) B1994 or B1998 stored in memory. This may be due to a high resistance or poor connections in the side air bag (SAB) wiring harness circuits or restraints control module. This condition may occur on vehicles equipped with, or without, side air bags.
ACTION
To service, install an overlay harness which incorporates soldered terminals and tin wiring. Refer to the service procedure for direction on which side air bag kit to order. Installation instructions and illustrations are included in the kit.
SERVICE PROCEDURE
FOR VEHICLES WITHOUT THE (SAB), FOURTH DIGIT OF VIN IS "Y" OR "Z"
1. Install a new Non-SAB wire harness kit 3L2Z-14B455-AB. Refer to the installation instruction sheet included in the kit.
FOR VEHICLES EQUIPPED WITH (SAB), FOURTH DIGIT OF VIN IS "C" OR "D"
1. Install the appropriate harnesses as indicated below. Refer to the installation instruction sheet included in the kit.
^ 1999-2001 4DR Limited Explorer XL2Z-14B455-DB
^ 1999-2001 4DR Explorer (except Limited) and Mountaineer XL2Z-14B455-AC
^ 1999-2000 2DR Explorer XL2Z-14B455-BC
^ 2001 2DR Explorer 1L2Z-14B455-AC
Reference section 501-20A of the appropriate model year Workshop Manual for additional information if needed.
Labor Operation Claiming Chart
OTHER APPLICABLE ARTICLES: NONE
SUPERSEDES: 01-01-10
WARRANTY STATUS: Eligible Under Provisions Of New Vehicle Limited Warranty Coverage
DEALER CODING
CONDITION
BASIC PART NO. CODE
14B455 42
Disclaimer
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.