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Home >> Chevrolet >> 2011 >> Suburban C2500 >> Repair and Diagnosis >> External Pages >> Different car >> Section 1752 (Automatic Transmission - 2ML70 - Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> No Reverse Gear

No Reverse Gear

WARNING: This page is about a different car, the 2011 GMC Yukon, 2011 Chevrolet Tahoe, and 2011 Cadillac Escalade. However, it is still accessible from the selected car via links, so may be relevant.
No Reverse Gear

Checks Causes
Drive Motor with Generator - Position 2 Motor Failure
  • Inspect 3 phase cables.
  • Inspect connections at motor.
  • Inspect motor end bearings.
NOTE:

Should have DTC present.
Control Valve Upper Body Assembly Inspect for worn, damaged, or sticking regulator valve and valve spring.
Control Valve Lower Body Assembly Inspect for worn, damaged, or sticking clutch select solenoid valve 3 and valve spring.
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