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Fig. 4: Transmission Range (TR) Switch Diagram Circuit Description The transmission range (TR) switch is part of the park/neutral position and back-up lamp switch assembly and Switch input to the PCM is represented on the scan tool as HI and Low. HI indicates an ignition voltage signal. DTC P0706 will set if the PCM detects start-up in a drive range or vehicle speed in the PARK or NEUTRAL Conditions for Running the DTC Transmission is in D4. Conditions for Setting the DTC Condition 1 The PCM detects DRIVE or REVERSE at vehicle start-up. Condition 2 The PCM detects PARK or NEUTRAL and the following conditions occur for 10 seconds: z TP is 5 percent or greater. z Engine torque is greater than 68 N.m (50 lb ft). z VSS is 32 km/h (20 mph) or greater. Action Taken When the DTC Sets z The PCM will use TFP Switch to determine gear range. z The PCM does not illuminate the malfunction indicator lamp (MIL). z The PCM records the operating conditions when the Conditions for Setting the DTC are met. The PCM z The PCM stores DTC P0706 in PCM history.
2004 Hummer H2 2004 TRANSMISSION Automatic Transmission - 4L60-E/4L65-E Diagnosis (DTC P0218 To DTC P2771) - Hummer H2
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