- Electric mobility
- Electric bicycle
142002
Bosch eBike 142002: The power supply of your control unit does not work properly.
Risk level
High
Professional inspection is recommended.
Urgency
High
Quick answer
The power supply of your control unit does not work properly. The functionality of the control unit may be impaired by this. For 142002, Bosch's user step is: Restart your eBike. If the problem persists, please contact your specialist dealer. If the same code returns, preserve the display and stop repeating resets.
Safety first
Stop and check this first
- Do not open the battery, drive unit, display, remote or charger and do not probe contacts. Stop for moisture, damaged cables, sparks, swelling, burning smell or repeated shutdown.
Safe checks you can perform
- Preserve the code before changing anything
- Apply only Bosch's published user step
- Use recurrence as the stop point
Leave these tasks to a qualified professional
- Do not attempt this professional task: Measured handoff for 142002
What a technician must be able to justify
A technician is coming
These are the steps they must carry out and show you. Tick them as they work: if steps are skipped, do not accept a part swap.
These are not instructions for opening or handling the equipment yourself. They are the checks that should support a technical conclusion.
Measured handoff for 142002
What they doUse the saved timing, system generation and Bosch diagnostics to test Control unit in the state that produced 142002; verify software, connectors and component values before replacement.
Before accepting a part or repair
Nothing has been shown yet. Do not accept a part swap based on the code alone.
Checks and evidence, step by step
Follow the documented order. An error code identifies the affected system, but it does not prove by itself which part has failed.
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Preserve the code before changing anything
No special tools
Procedure
Photograph 142002. Record the eBike model, Bosch system generation if known, battery level, Control unit, what stopped working and when the code appeared.
Do not open the battery, drive unit, display, remote or charger and do not probe contacts. Stop for moisture, damaged cables, sparks, swelling, burning smell or repeated shutdown.
Evidence: Bosch eBike Systems — official fault code 142002
- 2
Apply only Bosch's published user step
No special tools
Procedure
Restart your eBike. If the problem persists, please contact your specialist dealer. Record whether the condition “The power supply of your control unit does not work properly.” disappears and whether 142002 reappears after the exact published step. Do not add an undocumented reset or open a component.
Do not open the battery, drive unit, display, remote or charger and do not probe contacts. Stop for moisture, damaged cables, sparks, swelling, burning smell or repeated shutdown.
Evidence: Bosch eBike Systems — official fault code 142002
- 3
Use recurrence as the stop point
No special tools
Procedure
If 142002 remains absent, monitor the same function; that does not prove a repair. If “The power supply of your control unit does not work properly.” or 142002 returns, stop the user checks and book a Bosch eBike specialist.
Do not open the battery, drive unit, display, remote or charger and do not probe contacts. Stop for moisture, damaged cables, sparks, swelling, burning smell or repeated shutdown.
Evidence: Bosch eBike Systems — official fault code 142002
Where this code applies
A code is meaningful only inside the right product and version context.
Primary scope
- System
- Electric mobility
- Brand
- Bosch eBike Systems
- Product type
- Electric bicycle
Known code variants
- Bosch 142002 bici elettrica
- Bosch 142002 bicicleta eléctrica
- Bosch 142002 E-Bike
- Bosch 142002 eBike
- Bosch 142002 vélo électrique
- Bosch eBike code 142002
- Bosch eBike error 142002
- Bosch eBike Fehler 142002
- Bosch eBike Fehlercode 142002
- code Bosch eBike 142002
- codice Bosch eBike 142002
- código Bosch eBike 142002
- erreur Bosch eBike 142002
- error Bosch eBike 142002
- errore Bosch eBike 142002
What it means
Bosch eBike Systems assigns 142002 to Control unit with source severity ERROR. It reports the detected state, not proof that one particular part has failed. The functionality of the control unit may be impaired by this.
Warnings and stop conditions
- Highsource verified
Do not open the battery, drive unit, display, remote or charger and do not probe contacts. Stop for moisture, damaged cables, sparks, swelling, burning smell or repeated shutdown.
Evidence: Bosch eBike Systems — official fault code 142002
Symptoms and causes
Probable causes · in order
- What the code establishesConfirmed
Bosch identifies 142002 at Control unit: The power supply of your control unit does not work properly. Keep that meaning scoped to a Bosch eBike system and the exact code shown.
Evidence: Bosch eBike Systems — official fault code 142002
- What the official step decidesPossible
If “The power supply of your control unit does not work properly.” clears after Bosch's exact step, only the current condition has cleared; no failed part has been proved. If 142002 returns, the documented user branch is exhausted and the recurrence becomes the evidence for service.
Evidence: Bosch eBike Systems — official fault code 142002
Virtual technician
Does 142002 still appear after these checks?
Answer a few questions to narrow down the likely cause and the safest next action. Guidance only - it never replaces a professional.
Sources and technical references
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Bosch eBike Systems — official fault code 142002
Bosch eBike Systems · 2026 · official_doc
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