SAP ECC Expert - Automotive Manufacturing
When to Activate This Skill
- "How do I [action] in SAP?"
- "What t-code for [function]?"
- "Create purchase order for [material]"
- "Check MRP results"
- "Production order status"
- "Goods receipt process"
- "Material master setup"
- "SAP integration issue"
Core Modules Overview
┌─────────────────────────────────────────────────────────────────┐
│ SAP ECC LANDSCAPE │
├─────────────────────────────────────────────────────────────────┤
│ │
│ ┌─────────┐ ┌─────────┐ ┌─────────┐ ┌─────────┐ │
│ │ MM │ │ PP │ │ SD │ │ QM │ │
│ │Materials│───▶│Production│───▶│ Sales │ │ Quality │ │
│ │ Mgmt │ │Planning │ │ Dist │ │ Mgmt │ │
│ └────┬────┘ └────┬────┘ └────┬────┘ └────┬────┘ │
│ │ │ │ │ │
│ └──────────────┼──────────────┼──────────────┘ │
│ │ │ │
│ ┌─────────┐ ┌────▼────┐ ┌────▼────┐ │
│ │ PM │ │ FI/CO │ │ WM │ │
│ │ Plant │ │Finance/ │ │Warehouse│ │
│ │ Maint │ │Control │ │ Mgmt │ │
│ └─────────┘ └─────────┘ └─────────┘ │
│ │
└─────────────────────────────────────────────────────────────────┘
Materials Management (MM)
Key Processes
| Process | T-Codes | Description | |---------|---------|-------------| | Purchase Requisition | ME51N, ME52N, ME53N | Create, change, display PR | | Purchase Order | ME21N, ME22N, ME23N | Create, change, display PO | | Goods Receipt | MIGO, MB01 | Receive goods against PO | | Invoice Verification | MIRO | Enter vendor invoice | | Material Master | MM01, MM02, MM03 | Create, change, display material | | Vendor Master | XK01, XK02, XK03 | Create, change, display vendor | | Stock Overview | MMBE, MB52 | View stock levels | | MRP | MD01, MD02, MD04 | Run MRP, display results |
Purchase Order Process Flow
Purchase Requisition (ME51N)
│
▼
┌─────────┐
│ Approval │ (if required)
└────┬────┘
│
▼
Purchase Order (ME21N)
│
▼
┌─────────┐
│ Vendor │ Confirmation
└────┬────┘
│
▼
Goods Receipt (MIGO)
│
▼
Invoice Verification (MIRO)
│
▼
Payment (FI)
Material Master Views
| View | Purpose | Key Fields | |------|---------|------------| | Basic Data 1 | General info | Description, UoM, material group | | Basic Data 2 | Extended info | Dimensions, weights | | Purchasing | Procurement | Purchasing group, order unit | | MRP 1 | Planning | MRP type, reorder point | | MRP 2 | Lot sizing | Lot size, safety stock | | MRP 3 | Forecast | Strategy group | | MRP 4 | Scheduling | In-house time, GR processing | | Accounting 1 | Valuation | Price control, standard price | | Accounting 2 | Cost info | Profit center | | Costing 1 | Cost estimate | Cost elements | | Costing 2 | Extended | Costing data | | Plant Data/Stor 1 | Storage | Storage location, bin | | Plant Data/Stor 2 | Weights | Unit weight | | Quality Mgmt | QM settings | Inspection type, certificate | | Sales: General | SD info | Sales org, distribution | | Sales: Plant | Delivery | Loading group, availability |
Stock Types
| Stock Type | Description | Movement | |------------|-------------|----------| | Unrestricted | Available for use | 101, 561 | | Quality Inspection | Pending QC | 103 | | Blocked | Not available | 105, 344 | | In Transit | Between plants | 351 | | Consignment | Vendor-owned | 501 |
Production Planning (PP)
Key Processes
| Process | T-Codes | Description | |---------|---------|-------------| | BOM | CS01, CS02, CS03 | Create, change, display BOM | | Routing | CA01, CA02, CA03 | Create, change, display routing | | Work Center | CR01, CR02, CR03 | Create, change, display work center | | Production Order | CO01, CO02, CO03 | Create, change, display prod order | | Order Confirmation | CO11N, CO15 | Confirm operations | | Goods Issue | MIGO, MB1A | Issue components to order | | Goods Receipt | MIGO, MB31 | Receive finished goods | | Capacity Planning | CM01, CM21 | Capacity evaluation |
Production Order Lifecycle
Planned Order (from MRP)
│
▼
Production Order Created (CO01)
Status: CRTD (Created)
│
▼
Order Released (CO02)
Status: REL (Released)
│
▼
Components Issued (MIGO - 261)
Status: REL + GMPS (Goods Mvmt Posted)
│
▼
Operations Confirmed (CO11N)
Status: REL + CNF (Confirmed)
│
▼
Goods Receipt (MIGO - 101)
Status: DLV (Delivered)
│
▼
Order Settlement (CO88)
Status: TECO (Technically Complete)
│
▼
Order Closed
Status: CLSD (Closed)
MRP Types
| MRP Type | Description | Use Case | |----------|-------------|----------| | PD | MRP | Standard planning | | VB | Reorder Point | Simple replenishment | | VM | Manual Reorder | Exception items | | ND | No Planning | Non-stock items | | VV | Forecast-based | Seasonal demand |
Lot Sizing Procedures
| Procedure | Description | |-----------|-------------| | EX | Exact lot size | | FX | Fixed lot size | | HB | Replenish to max | | TB | Daily lot size | | WB | Weekly lot size | | MB | Monthly lot size |
Sales & Distribution (SD)
Key Processes
| Process | T-Codes | Description | |---------|---------|-------------| | Sales Order | VA01, VA02, VA03 | Create, change, display SO | | Delivery | VL01N, VL02N, VL03N | Create, change, display delivery | | Goods Issue | VL02N | Post goods issue | | Billing | VF01, VF02, VF03 | Create, change, display invoice | | Customer Master | XD01, XD02, XD03 | Create, change, display customer | | Pricing | VK11, VK12, VK13 | Maintain condition records | | Availability | CO09, MD04 | Check ATP |
Order-to-Cash Flow
Customer Inquiry (VA11)
│
▼
Quotation (VA21)
│
▼
Sales Order (VA01)
│
▼
Delivery (VL01N)
│
▼
Goods Issue (VL02N)
│
▼
Billing (VF01)
│
▼
Payment Receipt (FI)
Quality Management (QM)
Key Processes
| Process | T-Codes | Description | |---------|---------|-------------| | Inspection Lot | QA01, QA02, QA03 | Create, change, display | | Results Recording | QE51N | Enter inspection results | | Usage Decision | QA11, QA12 | Accept/reject lot | | Quality Notification | QM01, QM02 | Create, change notification | | Quality Certificate | QC21, QC22 | Create, display certificate | | Inspection Plan | QP01, QP02 | Create, change plan | | Master Inspection Char | QS21, QS22 | Create, change MIC |
Inspection Types
| Type | Description | Trigger | |------|-------------|---------| | 01 | Goods Receipt | PO receipt | | 02 | Goods Receipt (Prod) | Production GR | | 03 | In-process | During production | | 04 | Final Inspection | Before delivery | | 05 | Audit | Periodic audit | | 08/09 | Recurring | Time-based | | 10 | Source Inspection | At vendor |
Usage Decision Codes
| Code | Description | Stock Posting | |------|-------------|---------------| | A | Accept | Unrestricted | | R | Reject | Blocked/Scrap | | P | Partial | Split stock |
Plant Maintenance (PM)
Key Processes
| Process | T-Codes | Description | |---------|---------|-------------| | Equipment Master | IE01, IE02, IE03 | Create, change, display | | Functional Location | IL01, IL02, IL03 | Create, change, display | | Maintenance Order | IW31, IW32, IW33 | Create, change, display | | Notification | IW21, IW22, IW23 | Create, change, display | | Work Order Confirm | IW41, IW42 | Time confirmation | | Preventive Maint | IP10, IP30 | Schedule, deadline monitoring | | Task List | IA01, IA02 | Create, change task list |
Maintenance Order Types
| Type | Description | |------|-------------| | PM01 | Corrective Maintenance | | PM02 | Preventive Maintenance | | PM03 | Refurbishment | | PM04 | Calibration |
Finance & Controlling (FI/CO)
Key T-Codes
| Process | T-Codes | Description | |---------|---------|-------------| | G/L Posting | FB50, FB01 | Document entry | | Vendor Invoice | FB60 | A/P invoice | | Customer Invoice | FB70 | A/R invoice | | Payment | F110 | Automatic payment | | Cost Center | KS01, KS02 | Create, change CC | | Internal Order | KO01, KO02 | Create, change order | | Cost Analysis | KSB1, KOB1 | Line item reports |
Document Types
| Type | Description | |------|-------------| | SA | G/L Account Document | | RE | Invoice - Gross | | KR | Vendor Invoice | | KG | Vendor Credit Memo | | DR | Customer Invoice | | DG | Customer Credit Memo |
Common Integration Scenarios
Procure-to-Pay
MM (PR → PO) → MM (GR) → QM (Inspection) → MM (Stock) → FI (Invoice → Payment)
Plan-to-Produce
SD (SO) → PP (MRP) → PP (Prod Order) → MM (GI) → PP (Confirm) → MM (GR) → CO (Settlement)
Order-to-Cash
SD (SO) → MM (ATP) → SD (Delivery) → MM (GI) → SD (Billing) → FI (A/R)
Troubleshooting Quick Reference
Common Issues
| Issue | Check | Resolution | |-------|-------|------------| | PO won't release | Release strategy | Check approval workflow | | GR blocked | QM inspection | Complete usage decision | | MRP not running | Planning file | MDAB/MD21 to reset | | Invoice mismatch | 3-way match | Check PO/GR quantities | | Stock negative | Movement type | Correct posting/reversal | | Order not settling | Status | Check TECO status |
Useful Reports
| Report | T-Code | Purpose | |--------|--------|---------| | Stock Overview | MB52 | Warehouse stock | | Purchase Orders | ME2M | PO by material | | Open Orders | COOIS | Production order status | | MRP List | MD05 | Planning results | | Delivery Due | VL10 | Deliveries to create | | Open Items | FBL1N/FBL5N | A/P, A/R aging |
Best Practices for Automotive
Master Data Quality
-
Material Master
- Complete all required views
- Accurate lead times
- Correct UoM and conversion
- Updated safety stock
-
BOM Accuracy
- Current revision level
- Correct quantities
- Valid date ranges
- Phantom assemblies where appropriate
-
Routing Accuracy
- Realistic operation times
- Correct work centers
- Setup and run time split
- Scrap factors
IATF 16949 Alignment
| SAP Process | IATF Requirement | |-------------|------------------| | QM Inspection | Product verification | | Batch Traceability | Identification and traceability | | Document Control | Documented information | | Calibration (PM) | Monitoring and measuring resources | | Change Management | Design and development changes |
Quick Reference Cards
Movement Types
| Type | Description | Process | |------|-------------|---------| | 101 | GR from purchase order | MIGO | | 102 | Reversal of 101 | MIGO | | 103 | GR to quality inspection | MIGO | | 104 | Reversal of 103 | MIGO | | 105 | GR to blocked stock | MIGO | | 201 | GI for cost center | MIGO | | 261 | GI for production order | MIGO | | 262 | Reversal of 261 | MIGO | | 301 | Transfer posting plant to plant | MIGO | | 311 | Transfer to another storage location | MIGO | | 501 | GR without PO | MIGO | | 561 | Initial entry of stock | MIGO | | 601 | GI for delivery | VL02N |
Order Status Codes
| Status | Description | |--------|-------------| | CRTD | Created | | REL | Released | | PCNF | Partially confirmed | | CNF | Confirmed | | PDLV | Partially delivered | | DLV | Delivered | | TECO | Technically complete | | CLSD | Closed | | DLFL | Deletion flag |
Integration with PAI Skills
AutomotiveManufacturing
- Work instructions reference SAP transactions
- Document control aligned with SAP DMS
- Quality procedures link to QM inspection
SupplyChain
- Purchasing processes in MM
- Supplier scorecards from QM data
- Inventory management strategies
A3CriticalThinking
- Root cause analysis for SAP process issues
- Priority hierarchy for system changes
Extended Context
For detailed transaction guides and configuration:
read ~/.claude/skills/SapEcc/CLAUDE.md
For transaction code reference:
read ~/.claude/skills/SapEcc/reference/tcodes.md
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