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No. 3 Transmitter Id Code Cannot Be Reprogrammed [Keyless Entry System]

TRANSMITTER ID CODE CANNOT BE REPROGRAMMED - POSSIBLE CAUSE

3 Transmitter ID code cannot be reprogrammed
DESCRIPTION 
  • Malfunction in transmitter battery, transmitter, or keyless control module circuit, keyless receive circuit.
POSSIBLE CAUSE 
  • Malfunction in transmitter battery, transmitter, or keyless control module, or keyless receive.
TRANSMITTER ID CODE CANNOT BE REPROGRAMMED - DIAGNOSTIC PROCEDURE

STEP INSPECTION ACTION
1 INSPECT TRANSMITTER BATTERY INSTALLATION AND TYPE 
  • Visually inspect the transmitter battery.
  • Are the below items correct?
    • Transmitter battery installation (correct polarity)
    • Battery type (CR2025)
 Yes Go to the next step.
No Install the transmitter battery properly or replace with the specified transmitter battery (CR2025), then go to Step 6.
2 INSPECT TRANSMITTER BATTERY TERMINALS FOR RUST AND POOR CONNECTION 
  • Visually inspect the transmitter.
    • Is there rust on the transmitter battery terminals (positive or negative)?
    • Is there poor connection between the terminals and battery?
 Yes Replace the transmitter battery or repair the transmitter battery terminal, then go to Step 6.
No Go to the next step.
3 INSPECT TRANSMITTER BATTERY 
  • Inspect the transmitter battery.
  • Is the battery voltage normal?
 Yes Go to the next step.
No Replace the transmitter battery, then go to Step 6.
4 INSPECT IF MALFUNCTION IS IN TRANSMITTER BATTERY OR ELSEWHERE 
  • Replace with a transmitter battery known to be good.
  • Does the keyless entry system operate properly?
 Yes Replace the transmitter battery, then go to Step 6.
No Go to the next step.
5 INSPECT IF MALFUNCTION IS IN TRANSMITTER OR KEYLESS CONTROL MODULE 
  • Reprogram the keyless control module ID code using another known good transmitter.
  • Does the keyless entry system operate properly?
 Yes Replace the transmitter and reprogram the transmitter ID code, then go to the next step.
No Replace the keyless control module, then go to the next step.
6 REINSPECT MALFUNCTION SYMPTOM AFTER REPAIR 
  • Does the keyless entry system operate properly?
 Yes Troubleshooting completed.
Explain repairs to the customer.
No Reinspect the malfunction symptoms, then repeat from Step 1 if the malfunction recurs.
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