Toyota Steering Angle Sensor (SAS) Reset Service — 89245-74010 (UK Postal)
UK postal sas module reset service for TOYOTA SAS module part 89245-74010. Clear fault codes and restore functionality where supported.
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TOYOTA SAS Module Reset – 89245-74010
Professional UK postal service to reset SAS modules for TOYOTA vehicles. Steering Angle Sensors (SAS) provide critical data for ESP, traction control, and active safety systems. Calibration is required after wheel alignment or sensor replacement.
- Part number: 89245-74010
- Memory Type: UPD703230(NEC V850/ES)+93C66
- Price: £69
- Turnaround: Same / next working day once received
Common Symptoms
SAS module fault warning light illuminated
What's Included
- Bench identification and verification of the module
- Fault code clearing / memory restore (where supported)
- Basic functional validation before return shipping
Common Fault 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. Hardware faults require component replacement.
Module Compatibility
This SAS module reset service is compatible with TOYOTA vehicles equipped with part number 89245-74010:
Compatibility Verification
To confirm this service is suitable for your vehicle:
- Locate your SAS module (see workshop manual for location)
- Find the part number label on the module
- Match the part number exactly with 89245-74010
- Check for any suffix variations (e.g., -A, -B, -01, -02)
- If uncertain, send us a clear photo of your module label
Note: Part numbers may vary by market region (UK/EU/US), model year, and equipment specification. The same vehicle model may use different modules across its production run. Minor suffix variations are usually compatible with our reset service.
Module Identification
The 89245-74010 module can typically be identified by:
- Physical part number label on module housing
- ECU information read via diagnostic scan tool
- Vehicle build specifications from VIN decoder
If your module has a different part number or additional codes not listed, please contact us before ordering to verify compatibility.
Technical Specifications & Service Process
Module Architecture
The TOYOTA 89245-74010 Steering Angle Sensor (SAS) features:
- Module Type: Steering Angle Sensor (SAS)
- Memory Type: UPD703230(NEC V850/ES)+93C66
- Access Method: Bench programming with specialized equipment
- Function: provides steering wheel position data to ESP, traction control, and ADAS systems
- Critical For: vehicle stability and active safety features
Service Process
Our professional module service involves:
- Module Reception: Secure packaging inspection and module identification verification
- Diagnostic Assessment: Module connected to specialized test equipment
- Memory Analysis: Complete memory backup and fault data identification
- Fault Clearing: Removal of stored fault codes and error flags
- Memory Restore: Calibration data preserved, only fault data cleared
- Functional Testing: Module tested on bench equipment before return
- Quality Check: Multiple verification cycles confirm successful service
- Return Shipping: Module packaged securely for tracked return delivery
What Gets Serviced
- ✓ Stored fault codes and error flags
- ✓ Memory checksum errors (where applicable)
- ✓ Corrupted adaptation values
- ✓ Module initialization errors
- ✓ Communication fault history
What Remains Unchanged
- ✓ VIN coding and vehicle identification
- ✓ Factory calibration data
- ✓ Module hardware configuration
- ✓ Manufacturer programming
- ✓ Module serial number
Post-Service Requirements
After module service and reinstallation:
- Clear any remaining fault codes with diagnostic scan tool
- Perform system self-test (procedure varies by vehicle)
- Complete any required adaptation or learning procedures
- Road test to verify all systems function correctly
- Some vehicles may require additional module coding or configuration
Frequently Asked Questions
What equipment do you use for TOYOTA 89245-74010?
We use professional bench programming equipment with direct memory access. This provides comprehensive module servicing beyond what can be achieved with standard diagnostic tools.
Will my VIN coding be lost?
No, we preserve all VIN coding, calibration data, and vehicle-specific configuration. Only fault codes, error flags, and corrupted memory sections are addressed.
Can you service a module with hardware damage?
This service is for software/memory issues only. If your module has physical damage (water ingress, burnt components, crash damage), it may require component-level repair or replacement instead.
What guarantee do you offer?
We guarantee the service will clear fault codes and address memory errors where possible. If the module cannot be serviced (rare), we'll refund your payment. Note: if physical vehicle faults exist, those must be repaired separately.
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.
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