Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSAUDI1996A4 BASE, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCETESTING & DIAGNOSISENGINE CONTROLS - TESTS W/CODES - 2.8LCIRCUIT TESTSDTC P1611/18019 - MALFUNCTION INDICATOR LIGHT (MIL) CALL-UP/TRANSMISSION CONTROL MODULE (TCM) SHORT TO GROUND
1996 Audi A4 Base, Standard
DTC P1611/18019 - Malfunction Indicator Light (Mil) Call-Up/Transmission Control Module (TCM) Short To Ground
1996 Audi A4 Base, StandardSECTION DTC P1611/18019 - Malfunction Indicator Light (Mil) Call-Up/Transmission Control Module (TCM) Short To Ground
NOTE:
This DTC can only occur if vehicle is equipped with an automatic transmission. If malfunctions are recognized that are related to exhaust system, the automatic transmission switches on MIL.
- Using DVOM, check MIL circuit between PCM and TCM for a short circuit. Repair circuit as necessary. If circuit is okay, go to next step. If circuit was repaired, erase DTC memory and test drive vehicle.
- Replace faulty TCM. Erase DTC memory and test drive vehicle. If DTC sets again, go to next step.
- Replace faulty PCM. Code new PCM and test drive vehicle. See PCM CODING in this article.
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.