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Throttle body codes
2004 Yukon 5.3 I have attached a picture with the codes. I will have a scan tool with live data tomorrow, but for now I only have a code reader.- colbyduke
- Post #4
- Forum: Engine & Drivetrain
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C
Throttle body codes
I'm in a similar predicament. I replaced the TAC module and the throttle body, including the wiring harness. I tested the wiring harness at the TPS and the bottom left pin give me 5 volts but the bottom right gives me 4 volts. I'm guessing that's my problem. I testing the wires at the APP sensor...- colbyduke
- Post #2
- Forum: Engine & Drivetrain
