Car Codes diagnostic trouble code
…MALFUNCTION AND AEB WARNING LIGHTS ON IF YOU CONFIRM Malfunction and Automatic Emergency Braking (AEB) warning lights are ON with DTCs: - C1B84-00 ? (DIST SEN MALFUNCTION) - C1A17-49 ? (CONTROL UNIT (INTERNAL ELECTRONIC ERROR)) ACTION 1. Install the new Distance Sensor. 2. Add a foam strip to the new Distance Sensor. 3. Perform Radar Alignment. IMPORTANT: The purpose of ACTION (above) is to give you a quick idea of the work youwill b…
Code interpretation
What C1A17-49 means
This code indicates Vehicle fault code with verified manufacturer evidence Its precise meaning depends on the reporting control module, complete failure-type suffix, model year, powertrain and software level.
Driver experience
Symptoms you may notice
A stored diagnostic trouble code or a related system warning.
Test, do not guess
Possible causes
The precise cause depends on the reporting module, vehicle specification, circuit condition and software level.
Evidence-led checks
Recommended diagnostic route
Save the complete scan and confirm the code against model-specific technical information before testing.
- Capture the evidenceSave the complete all-module scan, code suffixes and freeze-frame data.
- Prove the basicsTest battery condition, system voltage, power and grounds.
- Identify the reporterConfirm the module that logged the code and check circuit integrity.
- Compare live dataReview commanded and actual values under the conditions that set the code.
- Test before replacingUse model-specific wiring diagrams, pin tests and technical information.
- Verify the repairClear the code only after recording evidence, then confirm it does not return.
Vehicle fitment
Vehicle applicability
Nissan Leaf
Before clearing
Can the code be cleared?
Clearing a code without fixing the cause removes useful evidence and may only switch the warning off temporarily. Save the full scan first; a permanent or repeatedly returning code needs testing.
Confirm the suffix, reporting module, model, year, engine and live data before replacing a component.
Verified public evidence
Manufacturer and model coverage
19 public manufacturer records match this search. These records support applicability research but do not replace VIN-specific workshop information.
LEAF · 2018 · Multiple/unspecified
…MALFUNCTION AND AEB WARNING LIGHTS ON IF YOU CONFIRM Malfunction and Automatic Emergency Braking (AEB) warning lights are ON with DTCs: - C1B84-00 ? (DIST SEN MALFUNCTION) - C1A17-49 ?…
SourceLEAF · 2018 · Multiple/unspecified
DTC C1A17-49 OR C2580-49 STORED IN LASER/RADAR This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
SourceLEAF · 2019 · Multiple/unspecified
DTC C1A17-49 OR C2580-49 STORED IN LASER/RADAR This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
SourceLEAF · 2020 · Multiple/unspecified
DTC C1A17-49 OR C2580-49 STORED IN LASER/RADAR This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
SourceLEAF · 2021 · Multiple/unspecified
DTC C1A17-49 OR C2580-49 STORED IN LASER/RADAR This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
SourceLEAF · 2018 · Multiple/unspecified
DTC C1A17-49 OR C2580-49 STORED IN LASER/RADAR This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
SourceLEAF · 2022 · Multiple/unspecified
DTC C1A17-49 OR C2580-49 STORED IN LASER/RADAR This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
SourceLEAF · 2019 · Multiple/unspecified
DTC C1A17-49 OR C2580-49 STORED IN LASER/RADAR This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
SourceLEAF · 2023 · Multiple/unspecified
DTC C1A17-49 OR C2580-49 STORED IN LASER/RADAR This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
SourceLEAF · 2020 · Multiple/unspecified
DTC C1A17-49 OR C2580-49 STORED IN LASER/RADAR This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
SourceLEAF · 2024 · Multiple/unspecified
DTC C1A17-49 OR C2580-49 STORED IN LASER/RADAR This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
SourceLEAF · 2021 · Multiple/unspecified
DTC C1A17-49 OR C2580-49 STORED IN LASER/RADAR This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
SourceLEAF · 2022 · Multiple/unspecified
DTC C1A17-49 OR C2580-49 STORED IN LASER/RADAR This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
SourceLEAF · 2023 · Multiple/unspecified
DTC C1A17-49 OR C2580-49 STORED IN LASER/RADAR This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
SourceLEAF · 2018 · Multiple/unspecified
DTC C1A17-49 OR C2580-49 STORED IN LASER/RADAR SERVICE INFORMATION If DTC C1A17-49 or C2580-49 is stored in LASER/RADAR in the PAST column: Erase the DTC. DO NOT replace any parts.…
SourceLEAF · 2019 · Multiple/unspecified
DTC C1A17-49 OR C2580-49 STORED IN LASER/RADAR SERVICE INFORMATION If DTC C1A17-49 or C2580-49 is stored in LASER/RADAR in the PAST column: Erase the DTC. DO NOT replace any parts.…
SourceLEAF · 2020 · Multiple/unspecified
DTC C1A17-49 OR C2580-49 STORED IN LASER/RADAR SERVICE INFORMATION If DTC C1A17-49 or C2580-49 is stored in LASER/RADAR in the PAST column: Erase the DTC. DO NOT replace any parts.…
SourceLEAF · 2021 · Multiple/unspecified
DTC C1A17-49 OR C2580-49 STORED IN LASER/RADAR SERVICE INFORMATION If DTC C1A17-49 or C2580-49 is stored in LASER/RADAR in the PAST column: Erase the DTC. DO NOT replace any parts.…
SourceLEAF · 2022 · Multiple/unspecified
DTC C1A17-49 OR C2580-49 STORED IN LASER/RADAR SERVICE INFORMATION If DTC C1A17-49 or C2580-49 is stored in LASER/RADAR in the PAST column: Erase the DTC. DO NOT replace any parts.…
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