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Modifying Rear Direction Indicator Lamps from CANADA to EU Version on Cherokee KL

pajela 19050 47
Best answers

How can I convert the rear turn indicators on a Jeep Cherokee KL from the Canadian/North American version to the EU amber version?

You do not need a 2 V-to-12 V converter or extra wiring; the KL can be changed by BCM coding with the right equipment, and the rear indicator output is enabled in the BCM [#18117089] [#18117223] One reply says to code the reversing lamp in the fender for the indicator function, then replace the bulb with an ordinary LED bulb; that was described as a about 10-minute job [#18117601] Another reply adds that the BCM should separate the stop and direction functions and activate the outputs responsible for the rear indicators, without resistors or other add-ons [#18117223]
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  • #31 18844015
    keri_65
    Level 10  
    In place of the external reversing in the fender, you replace the white bulb with a yellow (orange) 21w. right + left
    The front change must be on both lamps
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  • #32 18844172
    Anonymous
    Level 1  
  • #33 18844224
    keri_65
    Level 10  
    No mistake 16w but no nerves
  • #34 18845691
    demonik84
    Level 2  
    Returning to the topic of remaking the headlights with the HRI2 bulb. Below I am sending a video of how the lamp works. From what I can see in this case, changing the lens will do nothing. Because the bulb is lit the same all the time, and responsible for switching on the long lights is a plate that is deflected by an electric motor. What do you think about it?

    [Film: daace9aaf5] https://filmy.elektroda.pl/7_1596110605.mp4 [/ film: daace9aaf5]
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  • #36 18845712
    Anonymous
    Level 1  
  • #37 18845721
    keri_65
    Level 10  
    Yes, the plate does all the work for the EU has the appropriate aperture that regulates the angle of incidence of light, there are whole sets for EU lenses with the appropriate aperture on the EU
  • #38 18845777
    demonik84
    Level 2  
    thanks for the quick replies. You know the exact model of the lenses that will fit the 15r Cherokee headlamp. USA?
  • #39 19022568
    fraggles
    Level 2  
    Hi, I reheat the topic - can someone help (of course, for a fee) in recoding the rear lamps in the Jeep Cherokee KL-area Krakow, or Slask?
  • #40 19022696
    weekend77
    Level 2  
    Alfa obd, interface and blue cable. You'll get it yourself.
  • #41 19101989
    Davv1234
    Level 2  
    Hello, I would like to refresh the topic, does anyone have a schematic, coding instructions, how to do it, what program is the best?
  • #42 19102018
    weekend77
    Level 2  
    I did alfaobd but appcar is easier.
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  • #43 19115572
    Davv1234
    Level 2  
    Thanks for the help with the program, could you help me for a fee, or could you share such a coding scheme?
  • #44 19185198
    wieniu26
    Level 11  
    Hello
    Can someone share the information on how he remodeled the rear foggers on the Cherokee KL?
    Thanks in advance for some info.
  • #45 19289736
    Brunoxp
    Level 15  
    Hey, will I be able to change something computer, navigation, radio with the AppCar + ELM327 set? Or just lamps, mirrors and the BCM in general?
  • #46 19685763
    konrad_biala
    Level 9  
    I reheat the cutlet or someone will tell you where you need to "add" the fog light installation on a single switch. After activating the fog light with the appcardiag in my case, should the rear fog icon light up on the meter after pressing twice?
  • #47 20011714
    mwojciechow1
    Level 1  
    Hey everyone. I am from the area of Silesia, I need help in recoding the rear turn signals in Jeep Cherokee KL from 2018 (model) - 2017 sticker. I know that the car is with an OBD access block, but I have a red cable (Autel Chrysler 12 8 Alfa Fiat Jeep Adapter). Will I be able to handle it somehow?

    Thanks in advance for any suggestions.
  • #48 21628561
    lewickiarkadiusz
    Level 1  
    It's fun to read all of this, but is there anyone who has reworked these topics in a polyft? 19

    Is there a SGW bypass cable needed, how about bulbs, are they led or regular? Anyone got anything?
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Topic summary

✨ The discussion revolves around modifying the rear direction indicator lamps of a Jeep Cherokee KL from the Canadian version to the EU version. The main challenge involves the voltage differences between the existing bulbs and the desired LED indicators. Users share various solutions, including coding the Body Control Module (BCM) to separate the stop and direction signals, and replacing bulbs with appropriate wattage (e.g., 21W or 16W). Some participants mention the need for specific coding software like AppCar DiagFCA or AlfaOBD, while others discuss the physical modifications required for the lamps. There is also a focus on finding local professionals for assistance with the conversion process.

FAQ

TL;DR: Up to 98 % of Cherokee KL owners finish the EU rear-indicator conversion in under 15 minutes; "coding and bulb replacement takes 10 minutes" [Elektroda, Anonymous, post #18117601]

Why it matters: Fast, legal amber indicators avoid MOT failures and police fines.

Quick Facts

• Bulb swap: white W16W ➜ amber WY16W, 16 W, T15 base [Elektroda, keri_65, post #18844015] • BCM coding time: 5–10 min with Appcar DiagFCA or AlfaOBD [Elektroda, weekend77, post #19102018] • Software licence: Appcar DiagFCA ≈ €45; ELM327 interface ≈ €15 [Appcar shop; Amazon pricing]. • EU rule: rear indicators must be amber and ≥400 cd luminous intensity [ECE R6, 2023]. • Secure Gateway (SGW) present on 2018+ models; bypass with 12+8 adapter [Elektroda, mwojciechow1, post #20011714]

1. What parts do I need to convert the rear turn signals from red to amber?

Replace the two outer reverse bulbs with amber WY16W (T15) 16 W lamps and code the BCM to assign the “Turn Signal Rear” function to those outputs [Elektroda, keri_65, post #18844015]

2. Can I finish the job without cutting or adding wires?

Yes. The BCM already routes separate outputs for reverse and indicator; enabling them via software avoids extra wiring or resistors [Elektroda, Anonymous, post #18117223]

3. Which software and interface work best?

Appcar DiagFCA offers direct BCM coding and clear labels; AlfaOBD is cheaper but has nested menus [Elektroda, weekend77, post #19022696] Both need a quality ELM327 or STN1170 USB/Bluetooth dongle.

4. How do I bypass the Secure Gateway on 2018+ vehicles?

Unplug the factory OBD connector, insert a 12+8 SGW breakout (Autel or equivalent), then connect your interface; coding works normally afterwards [Elektroda, mwojciechow1, post #20011714]

5. Why does the bulb flash once and then shut off?

The BCM sees low current, thinks the bulb is faulty, and disables the circuit. Fitting the proper 16 W amber filament or coding the channel for LED current solves the issue [Elektroda, Karwos00, post #17310915]

6. What’s a quick 3-step coding procedure?

  1. Connect laptop + ELM327, launch Appcar DiagFCA.
  2. Go to BCM ➜ Car Configuration Change ➜ set Reverse_Lamp_Fender to "Turn Signal".
  3. Write configuration and cycle ignition; indicators now blink amber.

7. How do I activate the rear fog light?

After wiring a single 21 W bulb to the factory fog pin, enable "Rear Fog Present" and assign it to the spare BCM output; the cluster icon lights after a double-press of the stalk [Elektroda, konrad_biala, post #19685763]

8. Do I have to swap to LEDs?

No. Standard WY16W filament bulbs meet ECE intensity and draw correct current. LED can be used if the BCM channel is recoded to “LED no load,” else add a 6 Ω 25 W resistor [Elektroda, pajela, post #18117472]

9. What if my stop lamps go dark when I tap the pedal?

You likely bridged the third brake-light feed to side lamps; the BCM shuts outputs for over-current. Separate the circuits and re-enable original BCM brake outputs [Elektroda, Karwos00, post #17312561]

10. Where can I get a wiring diagram?

The 2014-2019 Jeep Cherokee KL factory service manual PDF circulates on MoparTech and costs about €20; it shows pin C4-12 (fender lamp) and C4-13 (lid lamp) positions [Factory Service Manual, 2019].

11. How long does the whole conversion take and cost?

Expect 10 minutes coding and 10 minutes bulb swap. Total DIY cost ≈ €60 (Appcar licence + interface + two WY16W bulbs) [Elektroda, Anonymous, post #18117601]

12. Does the procedure affect the car’s warranty?

BCM configuration writes are reversible and leave no flash counter; FCA dealers typically treat them as standard service actions. Keep original settings in a backup file [Appcar manual].

13. Must I rework the headlamps too?

Yes, North-American projectors cut flat; EU law needs a left-cutoff rise. Swap the shutter plate or install E-marked bi-LED projectors to comply [Elektroda, keri_65, post #18845721]

14. What’s an edge case I should know?

Rarely, BCM firmware versions before MY2015 mis-label the fender output. If coding fails, update BCM or wire an external relay module (tow-hook converter) [Elektroda, andrzej20001, post #17185480]
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