20 Most Recent 2007 Chevrolet Colorado - Page 3 Questions & Answers

sounds like the auto locking mechanisim motor inside the door is burned check it also see if the rods inside the door is bent

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replace throttle body

50-60 psi

What year is the truck ? What makes you think it's shorting out the BCM ? What problems are you having ? Does the vehicle have power windows ?

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I really doubt one loose door latch will keep all the door locks from working . There are a lot of thing's involved in the power door locks ,relay's , wiring , master control switch etc..... Viewing wiring diagrams , testing electrical circuit's , PWR LOCKS 20A fuse etc....Are the power door locks and the driver power window inoperative? Did you review the Power Door Locks Description and Operation? YES - Go to Step 2 NO - Go to Symptoms - Doors 2 Verify that the power door locks are inoperative. Do the power door locks operate normally? YES - Go to Testing for Intermittent Conditions and Poor Connections in Wiring System NO - Go to Step 3 3 Are the power door locks and the driver power window inoperative? YES - Go to Step 7 NO - Go to Step 4 4 Are the power door locks inoperative from a single door lock switch? YES - Go to Step 5 NO - Go to Step 6 5 Is the driver door lock switch the inoperative switch? YES - Go to Step 8 NO - Go to Step 9 6 Is the driver door lock actuator the inoperative actuator? Test the battery positive voltage circuit of the drivers switch assembly for a short to ground or an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? Go to Step 21 Go to Step 8 8 Test the ground circuit of the drivers switch assembly for an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? Go to Step 21 Go to Step 13 9 Test the passenger door lock switch control circuits for an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? Go to Step 21 Go to Step 12 10 Test the driver door lock actuator unlock control circuit for an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? Go to Step 21 Go to Step 14 11 Test the door lock actuator control circuits for an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? Go to Step 21 Go to Step 15 12 Test the passenger door lock switch ground circuit for an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? Go to Step 21 Go to Step 16 13 Inspect for poor connections at the harness connector of the drivers switch assembly. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems. Did you find and correct the condition? Go to Step 21 Go to Step 17 14 Inspect for poor connections at the harness connector of the driver door lock actuator. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems. Did you find and correct the condition? Go to Step 21 Go to Step 18 15 Inspect for poor connections at the harness connector of the appropriate passenger door lock actuator. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems. Did you find and correct the condition? Go to Step 21 Go to Step 19 16 Inspect for poor connections at the harness connector of the passenger door lock switch. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems. Did you find and correct the condition? Go to Step 21 Go to Step 20 17 Replace the driver switch assembly. Refer to Door Lock and Side Window and Outside Rearview Mirror Remote Control Switch Replacement . Did you complete the repair? Go to Step 21 -- 18 Replace the driver door lock actuator. Refer to Front Side Door Lock Replacement . Did you complete the repair? Go to Step 21 -- 19 Replace the appropriate passenger door lock actuator. Refer to Front Side Door Lock Replacement or Rear Door Lock Replacement . Did you complete the repair? Go to Step 21 -- 20 Replace the passenger door lock switch. Refer to Door Lock and Side Window and Outside Rearview Mirror Remote Control Switch Replacement . Did you complete the repair? Go to Step 21 -- 21 Operate the system in order to verify the repair. Did you find and correct the condition? System OK Go to Step 2

What Year is your vehicle ?

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have any body checked the injector?