1. Measure the gap and height between the liftgate and the body.
2. If not as specified, loosen the liftgate hinge installation bolts or the liftgate striker installation screws, and reposition the liftgate.

Clearance
a: 3.0-7.0 mm {0.12-0.28 in}
b: -1.0-3.4 mm {-0.04-013 in}
c: 2.8-5.2 mm {0.11-0.24 in}
d: -1.2-1.2 mm {0.05-0.05 in}
e: 2.8-5.8 mm {0.11-0.22 in}
f:4.0-8.0 mm {0.16-0.31 in}
3. Tighten the bolts or screws.
Liftgate disassembly/assemblyMazda 6 Service Manual: Towing
   
	Proper lifting and towing are necessary to prevent damage to the 
	vehicle. Government and local laws must be followed.
	A towed vehicle should have its front wheels off the ground. If 
	excessive damage or other conditions prevent this, use wheel dollies.
	When towing with the rear wheels on ...
   
Mazda 6 Service Manual: No.5 tcs off light does not illuminate with ignition switch on
   
Diagnostic procedure
	When performing an asterisked (*) troubleshooting inspection, shake the 
	wiring harness and connectors while doing the inspection to discover whether 
	poor contact points are the cause of any intermittent malfunction. If there 
	is a problem, check to make sure co ...