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.
1998 Mercedes Benz E430FACTORY OEM SERVICE PROCEDURE
Keyless Entry System DTCS: 1996
DIAGNOSTIC TROUBLE CODE LIST (RCL CONTROL MODULE)
| Code | Cause | Test/Remedy |
|---|---|---|
| B1000 | RCL Control Module | Replace RCL Control Module |
| B1100 | Control Line Deactivation | Test 19: Control Line Activation/Deactivation Short To Voltage and Test 20: Control Line Activation/Deactivation Short To Ground |
| B1101 | Control Line Deactivation | Test 19: Control Line Activation/Deactivation Short To Voltage and Test 20: Control Line Activation/Deactivation Short To Ground |
| B1102 | Drive Authorization System Control Line Circuit | Test 20: Control Line Activation/Deactivation Short To Ground and TEST 21: CAN "L" Data Line Open |
| B1103 | Red Indicator Lamp Circuit | Test 5: RCL Receiver Red Indicator Light |
| B1104 | Green Indicator Lamp Circuit | Test 6: RCL Receiver Green Indicator Light |
| B1701 | Incorrect Authorization Code (4 & 6 Cylinder) | Test 6: RCL Receiver Green Indicator Light |
| B1702 | Incorrect Authorization Code (8 & 12 Cylinder) | Test 6: RCL Receiver Green Indicator Light |
| B1703 | Attempt Was Made To Start Vehicle Locked With RCL | Test 6: RCL Receiver Green Indicator Light |
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.
