Toyota Steering Angle Sensor (SAS) Reset Service — 89245-12040 (UK Postal)
UK postal SAS reset service for Toyota part 89245-12040. Calibration and steering angle fault support where applicable.
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TOYOTA Steering Angle Sensor (SAS) Reset – 89245-12040
Professional UK postal SAS reset/calibration support for Toyota vehicles with steering angle encoder 89245-12040.
- Part number: 89245-12040
- Memory Type: R5F2134AWJ(R8C)
- Price: £69
- Turnaround: Same / next working day once received
- Read / bench method: OBD
Common Symptoms
ESC / steering angle faults, SAS calibration warnings after steering component work.
What's Included
- SAS encoder identification
- Data reset/calibration where supported
- Tracked postal return
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 | Toyota |
|---|---|
| Vehicle brand | Toyota |
| Part number (MPN) | 89245-12040 |
| Module | SAS |
| Memory chip | R5F2134AWJ(R8C) |
| Repair method | OBD |
| ECU maker | TOKAI RIKA |
| Erase / reset scope | Fault/memory reset where tooling supports 89245-12040 |
| Return courier | Royal Mail tracked (typically 1–2 working days after dispatch) |
Module Compatibility
This sas sensor reset service targets Electronic steering-angle sensor (SAS) — 89245-12040
Verification Steps
- Remove module professionally with battery/HV safeguards
- Photograph the label beside 89245-12040 for suffix confirmation
- Match part number characters exactly (89245-12040) 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 (R5F2134AWJ(R8C)) is cross-checked prior to rework.
Technical Specifications & Process
Module Snapshot
Toyota steering angle sensor communicates via CAN — stored offsets and fault history may require clearing.
- Hardware: SAS
- Method: OBD
- Note: Vehicle alignment prerequisites may apply after reinstall
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:
- C1201 – Engine Control System Malfunction
- C1235 – Steering Angle Sensor Circuit Malfunction
- C1242 – Steering Angle Sensor Initialization Incomplete
- C1417 – Steering Angle Sensor Internal Circuit
- C1433 – Steering Angle Sensor Signal Error
- C1440 – Steering Angle Sensor Zero Point Not Learned
- C1446 – Steering Angle Sensor Signal Malfunction
Note: Calibration codes require proper sensor initialization after reset.
Frequently Asked Questions
What equipment is used on 89245-12040?
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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