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1997 AUDI A8
4.2L V8•AWD•AUTOMATIC•gas
2 active safety recalls on this vehicle — view recalls
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Repairs0Labor547Torque3417Fluid8DTC638Battery1Maintenance0Recalls2
P0700moderate severityPowertrain

Transmission Control System (MIL Request)

on 1997 Audi A8 4.2L V8 · AWD

What this code means

The Transmission Control Module (TCM) has requested the PCM to turn on the Check Engine Light due to a transmission fault. There will be additional transmission-specific codes stored.

Symptoms

  • Check Engine Light
  • Possible shift problems
  • May be in limp mode

Common causes

  • Various transmission issues - check for additional codes
  • TCM detected a fault
  • Wiring issue between TCM and PCM

Diagnostic steps

  1. Read ALL codes including transmission-specific codes
  2. Check transmission fluid level and condition
  3. Address other transmission codes first

Repair notes

This is an informational code. Look for other P07xx and P08xx codes that explain the actual problem.

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Other Powertrain codes on this vehicle

🔧 Database maintained under the daily editorial review of Chris Hackleman · Master Technician · 20+ years and Jeff Moore · Master Lexus & Toyota Mechanic · 20+ years. Spot an error? Use the Help link above — a human reads every report.
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