Skip to content
VOLKSWAGEN
P0106
P0113
P0238

P0106 P0113 P0238 VW Turbo – MAP Sensor G31 & IAT Sensor G42 Diagnostics

Diagnostic Priority: High
Complexity Level: Advanced

Diagnostic guide for P0106, P0113, and P0238 on Volkswagen turbo engines. Combined MAP/IAT sensor G31/G42 failure, 5V reference short, and high-boost signal faults.

Vehicle

VOLKSWAGEN

Codes

3 units

Analysis Type

Technical Expert

Status

Analyzed

Technical Analysis

REF: #11F51D

The combination of P0106, P0113, and P0238 indicates an electrical fault in the combined MAP/IAT boost pressure and intake temperature sensor G31/G42 on VAG turbo engines, caused by 5V reference ground failure or oil fouling.

Expected Symptoms

Dashboard warning "Gearbox in emergency mode - Reverse not available" on VOLKSWAGEN (DTCs: P0106, P0113, P0238)
Harsh shift thumps between 1st and 2nd gear or clutch slipping on takeoff
Gear indicator display flashing with odd or even gear clutch bank locked out

System Impact

Drivetrain
Engine Control
Emission Control

Potential Fault Sources

01Worn clutch travel displacement sensors or valve body wear in DSG mechatronics (affecting VOLKSWAGEN subsystem for P0106, P0113, P0238)
02Internal hydraulic pressure loss in mechatronic pressure accumulator housing
03Overheated or worn friction linings in dual clutch pack assembly (logged fault: P0106)

Workflow / Methodology

01

Verify supply voltage and sensor telemetry for P0106, P0113, P0238 on VOLKSWAGEN with multimeter at key ON.

02

Measure mechatronic hydraulic pressure in live data: normal 42–60 bar (DQ200) or 15–20 bar (DQ381).

03

Read clutch travel sensor calibration and slip RPM under launch load.

04

OBD Tuning provides 1:1 Complete Bench Cloning of DSG mechatronic control units to replacement modules.

Live Data & Mätvärdestoleranser (Är/Bör-värden)

Fabriksgodkända referensvärden vid diagnos och live-avläsning

Mätvärdesblock
Parameter / SignalTestvillkorBör-värde (Normalt)Avvikelse / Varning
GivarreferensspänningTändning på4.95 – 5.05 V< 4.75 V (Kortslutning/Spänningsfall)
Signalretur tomgångDriftstemperaturInom fabriksintervall ±5%Signalkorruption el avbrott

Assessment & Action Proposal

Technical Recommendation

Repair wiring harness faults and install a new genuine MAP/IAT sensor G31/G42. Clean oil residue from charge pipe and clear DTCs.

Need a deeper analysis? Use our advanced fault code analyzer to find likely connections and in-depth guidance.

Start Fault Code Analyzer

Vanliga frågor om dessa felkoder

Vad är den primära orsaken till felkoderna?

The combination of P0106, P0113, and P0238 indicates an electrical fault in the combined MAP/IAT boost pressure and intake temperature sensor G31/G42 on VAG turbo engines, caused by 5V reference ground failure or oil fouling.

Kan man köra vidare med tänd motorlampa / varningslampa?

Körning med aktiva felkoder kan leda till strypt motoreffekt (nödläge / Limp Home), blockerad partikelfilterregenerering eller följdskador på mekaniska komponenter. Felsökning bör genomföras omgående.

Hur åtgärdas kombinationen på säkrast sätt?

Repair wiring harness faults and install a new genuine MAP/IAT sensor G31/G42. Clean oil residue from charge pipe and clear DTCs.