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