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Home >> Chevrolet >> 2007 >> Chevy Express G2500, Van Cargo, 6.6 6 >> Repair and Diagnosis >> Transmission >> Hydraulic Diagrams >> Automatic Transmission - 4L80-E/4L85-E - Removal & Installation, Service, Overhaul, Troubleshooting & Diagnosis >> Diagnostic Information And Procedures >> No Overrun Braking - D1

No Overrun Braking - D1

No Overrun Braking - D1

Checks Cause
Refer to No Overrun Braking - D3 .
Check the PCM for current DTCs.
Automatic Transmission Fluid Pressure Manual Valve Position Switch Assembly
  • Pinched wire
  • Loose connector
  • Loose bolt causing leakage
  • No signal to the PCM.
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