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Have a 2008 Chev 2500HD crew cab truck with power lock

Customer Question
Have a 2008 Chev...

Have a 2008 Chev 2500HD crew cab truck with power lock issues. Back doors lock & unlock fine but front doors do not. Replace actuators on bot doors. Still not working. Also noticed a lock icon appear on the dash and when you push the lock button on the passenger front door it chimes three times. What do you think?

Mechanic's Assistant: Sometimes things that you think will be really complicated end up being easy to fix with a Chevy. The Chevy Mechanic I'm going to connect you with knows all the tricks and shortcuts. Are you hoping to fix this yourself?

Yes

Mechanic's Assistant: Great! What have you tried so far?

Removed and checked both front door wire harnesses for damage. Both look ok. Also noticed that the front door actuators seem to want to function but very week like not enough voltage is there. The other thing I noticed is the front passenger actuator operates in reverse

Mechanic's Assistant: Is there anything else important you think the Chevy Mechanic should know about your Chevy?

Not sure

Submitted: 2 years ago.Category: Chevy
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Answered in 24 minutes by:
3/6/2016
Chevy Mechanic: Don - Mo Lurch, Auto Mech / Electronics replied 2 years ago
Don - Mo Lurch
Don - Mo Lurch, Auto Mech / Electronics
Category: Chevy
Satisfied Customers: 21,468
Experience: Chevrolet Cert., Heavy Line Mech, Race Shop Owner, Mobile Electronics.
Verified

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sorry for the delay............
.
Greetings...... “Hi, I’m Don (aka MOLurch) and I look forward to helping you!”
.
IF neither Front Door will respond from the Door Switch on any door or the Factory Remotes (keyless entry), then it is likely the BCM or broken wire/s in Door Jamb
You need to verify Voltage + & Ground - at the Actuator while operating the Door Switch
Click Attachment below
IF there is NO Voltage + or Ground - at the Actuator, then use of GM Dealer Scan Tool is needed to Test & Program the BCM
apprx 1 hour labor

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Don - Mo Lurch
Don - Mo Lurch
Don - Mo Lurch, Auto Mech / Electronics
Category: Chevy
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