Greatwall Battery Management System (BMS) Reset — 044200502S (UK Postal)
UK postal battery module reset service for Greatwall BMS module part 044200502S. Clear fault codes and restore functionality where supported.
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GREATWALL BATTERY Module Reset – 044200502S
Professional UK postal service to reset BATTERY modules for Greatwall vehicles. Battery Management System (BMS) modules monitor and control hybrid/electric battery packs; after fault events or replacements, stored codes may require clearing.
- Part number: 044200502S
- Memory Type: SAK-TC1724N192
- Price: £69
- Turnaround: Same / next working day once received
- Read / bench method: BENCH/BOOT
Common Symptoms
BMS fault warning illuminated, reduced performance, diagnostics unable to clear certain stored codes.
What's Included
- Bench identification and verification of BMS
- Fault code clearing / memory restore where supported
- Basic bench validation prior to tracked return postage
How It Works
- Order online – Checkout (£69); include part number confirmation
- Secure shipping – Royal Mail tracked to our workshop
- Bench engineering – Specialist tooling and EEPROM access
- Return delivery – Tracked return to your chosen address
Module Details
| Brand | Greatwall |
|---|---|
| Vehicle brand | Greatwall |
| Part number (MPN) | 044200502S |
| Module | BMS |
| Memory chip | SAK-TC1724N192 |
| Repair method | BENCH/BOOT |
| ECU maker | BOSCH |
| Erase / reset scope | Fault/memory reset where tooling supports 044200502S |
| Return courier | Royal Mail tracked (typically 1–2 working days after dispatch) |
Module Compatibility
This battery bms reset service targets Hybrid/EV Battery Management (BMS) control unit
Verification Steps
- Remove module professionally with battery/HV safeguards
- Photograph the label beside 044200502S for suffix confirmation
- Match part number characters exactly (044200502S) across EU/UK/US market variants where applicable
- Uncertain revision? WhatsApp photo before ordering.
Note: Manufacturers issue rolling hardware revisions — identical models may ship different EEPROM families. Listed memory (SAK-TC1724N192) is cross-checked prior to rework.
Technical Specifications & Process
Module Snapshot
Greatwall 044200502S Battery Management module — voltage, temperature, balancing and safety monitoring where applicable.
- Module type: BMS
- Memory / access: SAK-TC1724N192
- Access method: BENCH/BOOT
- OEM relevance: Part numbers vary by region, MY and equipment — always confirm label match
Bench Procedure (high level)
- Secure unpacking + barcode / order linkage
- Memory imaging & redundancy backup
- Selective EEPROM areas targeted for authorised reset routines
- Verification reads + packaging for tracked return same/next day
What's addressed
- Stored faults & error counters (where tooling permits)
- Corrupted adaptations / latch states
Typically preserved
- Factory OEM coding unrelated to faults
- Hardware-identification bytes
Common Fault Codes
This module may store the following diagnostic trouble codes:
- P0A1F – Hybrid Battery Pack Voltage Sensor Circuit
- P0A7F – Hybrid Battery Pack Temperature Sensor
- P0A80 – Hybrid/EV Battery Pack Deterioration
- P0AA6 – Hybrid Battery Positive Contactor Circuit
- P1A08 – Battery Energy Control Module
- U0100 – Lost Communication With ECM/PCM
Note: Battery system codes may indicate pack deterioration or sensor faults. Physical battery issues must be addressed separately.
Frequently Asked Questions
What equipment is used on 044200502S?
Bench programming hardware with secure memory access; we bench-verify before return shipping.
Will VIN coding be lost during service?
We preserve OEM programming, VIN linkage and calibration data where feasible — targeted fault/memory areas only.
Hardware damage versus software issues?
This is a postal service for software/memory issues. Flood-damaged PCBs require component repair separately.
Refund if the unit cannot be processed?
If we cannot safely complete service (rare), we contact you and offer return or adjustment per our policies.
How does the postal flow work after payment?
You receive shipping instructions — pack securely with order reference inside. We bench process and return tracked Royal Mail.
Disconnect before removal — required?
Yes. Disconnect HV/12 V per manufacturer guidelines, wait standby times, remove module professionally.
How it works
- You purchase the service.
- You choose whether the courier collects your parcel or you drop it off at a drop-off point.
- You fill in the form – we'll send you the link by email.
- You pack the parcel and put a note with your order number inside.
- We perform the service and send the parcel back to your address.
Technical Specifications
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