Question about 2000 GMC Safari

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The gear shift indicator in the instrument cluster shows that the transmission is in 3rd gear at all times even when the transmission is actually in park or drive. I have changed the transmission switch but this did not fix the problem.

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You will need to replace the indicator, this is controled by a cable that connects to steering housing,it sounds like it broke or came loose,good day

Posted on May 26, 2011

  • b harvey Sep 03, 2013

    where is the cable and what does it look like.? please.

  • b harvey Sep 03, 2013

    where is the cable and what does it look like? please

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1 Answer

Shifter is locked in park on a 2002 bravada that sayes on dash its in reverse


PRND321 Display
The instrument panel cluster (IPC) displays the selected gear position as determined by the engine control module (ECM). The IPC - instrument panel cluster receives a serial data message from the ECM indicating the gear position. The PRND321 display blanks if:
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The ECM detects a malfunction in the transmission range switch circuit.


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The IPC detects a loss of serial data communications with the ECM. The automatic transmission shift lock control system is a safety device that prevents an inadvertent shift out of PARK when the engine is running. The driver must press the brake pedal before moving the shift lever out of the PARK position. The system consists of the following components:
?€¢
The automatic transmission shift lock control solenoid


?€¢
The automatic transmission shift lock control switch

With the ignition in the ON position, voltage is supplied to automatic transmission shift lock control switch. Voltage flows through the normally closed contacts of the automatic transmission shift lock control switch to the automatic transmission shift lock control solenoid. The automatic transmission shift lock control solenoid is permanently grounded. This energizes the automatic transmission shift lock control solenoid causing the transmission shift lever to be physically locked in the PARK position. When the brake pedal is pressed the contacts in the automatic transmission shift lock control switch open, de-energizing the automatic transmission shift lock control solenoid. This allows the shift lever to be move out of the PARK position.
The transmission range (TR) switch is part of the park/neutral position (PNP) and backup lamp switch assembly, which is externally mounted on the transmission manual shaft. The TR switch contains four internal switches that indicate the transmission gear range selector lever position. The PCM supplies ignition voltage to each switch circuit. As the gear range selector lever is moved, the state of each switch may change, causing the circuit to open or close. An open circuit or switch indicates a high voltage signal. A closed circuit or switch indicates a low voltage signal. The PCM detects the selected gear range by deciphering the combination of the voltage signals. The PCM compares the actual voltage combination of the switch signals to a TR switch combination chart stored in memory.
You need a Tech2 scan tool to diagnose this problem ! possible range sensor !

Sep 03, 2015 | Cars & Trucks

1 Answer

Shift indicator not working correctly


This is a common concern on explorer, shift indicator cable breaks.if you're the diy type this is a pretty easy repair. Remove steering column cover top and bottom, and instrument bezel.you'll see shifter indicator coming out of bottom of instrument cluster and cable wrapped around steering column, attached to the shifter.you'll have to remove 4 screws for cluster,7mm, tilt the bottom of the cluster and look where indicator is attached, usually 2 7 mm bolts or clips, remove and replace indicator...if the steering column was lowered without taking off indicator cable it would break cable, or could be band that wraps around column that's loose or broken..either way cheap fix..

Jun 25, 2014 | 2004 Ford Explorer

1 Answer

Gear shifting panel light


I am assuming that your shift lever is on the steering column. Either the bulb for indicator has burned out or the shift indicator switch on the transmission has failed. There are 3 different engine options for this truck and 3 different transmissions. I would need to know which engine and transmission your truck has, to give better info. FYI, you have to remove the instrument cluster to replace the bulb, assuming that is the problem.
Charlie

Apr 20, 2014 | 2007 Ford Explorer Eddie Bauer

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When scanned it reads torque converter lock up clutch , , when engine is cold and try the back gear the Skoda Octavia 2007 AT stalls with a big ****, like it does not have a clutch, when i warm it for


dear . start engine then shift revers gear , apply brake then refill ATF more till its full , then shift at P . road test , check how , all problem
ATF was low level

Apr 08, 2014 | 2007 Skoda Octavia 1.9

1 Answer

Gear shift indicator lights flicker on instrument cluster


Sometimes on the shifter its self they use two different items, some use a medal rod and some use a cable like an ebrake. if its a cable one it may have stretched and isn't going back to its actual spot for the instrument lights to work properly. you can tighten that cable.that's all I can think of right now good luck.

Dec 07, 2013 | 2002 Pontiac Grand Prix

1 Answer

Caravan won't start after shifter cable replaced


Make sure the transmission range selector switch is adjusted correctly it is the switch just below the shift cable post. Also try to start it in Neutral rather than park position.

Aug 18, 2012 | Cars & Trucks

1 Answer

Plymouth grand voyager 1999 is not showing the readings on my dash for the fuel, speedometer, and has not passed emissions. What could be the problem?


Here is the procedure to check the gage connector on the back of the instrument cluster. The procedure is a lot longer if you have a mechanical PRNDL indicator in the cluster. I'm thinking you don't. You don't need to remove the cluster as the procedure says, because you're just going to check the connectors on the back. You just need to take the screws out and tilt it forward far enough to reach in and push the connectors in.


REMOVAL & INSTALLATION See Figures 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11 and 12

jturcotte_376.jpg

Fig. Fig. 1: To access the instrument cluster mounting screws, remove the lower bezel ...


jturcotte_377.jpg


Fig. Fig. 2: ... and the driver's side end cap ...



jturcotte_378.jpg


Fig. Fig. 3: ... to access the upper trim bezel screws. After removing all of the screws ...


jturcotte_379.jpg


Fig. Fig. 4: ... carefully pull the upper bezel from the instrument panel

  1. Disconnect the negative battery cable.
CAUTION The models covered by this guide are equipped with a Supplemental Restraint System (SRS), which utilizes a driver and passenger side air bag. Whenever working near any of the SRS components, such as the impact sensors, the air bag module, steering column and instrument panel, disable the SRS, as described earlier in this section.

jturcotte_381.jpg


Fig. Fig. 5: Once the bezel is removed, the instrument cluster mounting screws can be removed (two on each side)

  1. Disable the air bag system.
  2. If equipped with a mechanical transmission range indicator, perform the following;
    1. Remove the lower steering column cover.
    2. Remove the knee blocker reinforcement panel from under the steering column.
Remove the indicator cable loop.
    1. Remove the clip securing the gear shift cable end to the gear selector adapter.
    2. Pull the cable end from the gear selector.

  1. Remove the instrument cluster bezel.
  2. Remove the mounting screws securing the instrument cluster to the instrument panel.
  3. Rotate the top of the cluster outward.
  4. Disengage the wiring harness connectors from behind the cluster assembly.
  5. Remove the instrument cluster from the vehicle. If equipped with a mechanical transmission range indicator, carefully guide the range indicator cable and guide tube through the opening to avoid any possible damage.

jturcotte_382.jpg


Fig. Fig. 6: After the mounting serews are removed, reach behind the cluster and unplug the electrical connectors ...





jturcotte_1400.gif

Fig. Fig. 8: Instrument cluster mounting detail (models with a mechanical transmission range indicator)



jturcotte_1401.gif

Fig. Fig. 9: Range indicator cable mounting detail
To install:

  1. If equipped with a mechanical transmission range indicator, verify the free travel of the range indicator cable from P to 1 by gently pulling on the cable, then relaxing the cable. Do NOT snap the cable once it is pulled.
  2. Position the instrument cluster assembly into the instrument panel by leading the bottom of the cluster in first, plug in the wiring harness connector(s), and rotate upward. If equipped with a mechanical transmission range indicator, route the indicator cable and guide tube through the opening in the instrument panel.


jturcotte_383.jpg

Fig. Fig. 10: On models with a mechanical transmission range indicator, the cable must be accessed by removing the lower steering column cover. Remove the mounting fasteners, and lower the cover ...


jturcotte_385.jpg


Fig. Fig. 11: ... disconnect the parking brake cable ...


jturcotte_386.jpg


Fig. Fig. 12: and remove the reinforcement

  1. Install and tighten the instrument cluster mounting screws.
  2. Install the instrument cluster bezel.
  3. If equipped with a mechanical transmission range indicator, install the indicator cable and guide tube. Install the cable retaining clips.
  4. Install the knee blocker reinforcement panel.
  5. Install the lower steering column cover.
  6. Connect the negative battery cable.

Apr 01, 2011 | Plymouth Voyager Cars & Trucks

1 Answer

Dash indicates transmission is always in Drive. Transmission shifts through all gears but indicator does not change. Vehicle will not start.


You have a electronic Shift indicator switch on your transmission this is also called th NSBU switch. This is what tells your instrument cluster what gear you have selected. This may be your problem. or you may have a loose or bad connection. NSBU stands for neutral safety Back up switch.

Feb 06, 2011 | 2002 Buick Century

1 Answer

The gear selection lamp, inside the instrument panel, does not reflect the actual gear I am in. It jumps around, depending upon which gear I select. It is rarely accurate. I know what gear I am in...


Replace your Transmission Range Sensor (Also called "Neutral Safety Switch") It is located on top of the transmission housing under the shift lever where the shift cable hooks up.

Jan 18, 2011 | 1994 Buick Skylark

1 Answer

I have a f-150 ford super cab automatic transmission that has a sloppy shifter. the indicator does not show actually what gear it is in. how to fix and how to get to the problem.


If you are talking about the indicator for (PRNDL) section of your instrument cluster, then, remove the instrument cluster bezel (trim) look at the bottom of the cluster you will see a small cable that goes in at the bottom next to the (PRNDL) display, the cable has a threaded nut on the end of it, adjust this nut to correct its position while in Park. You may need to remove the cluster to adjust, if so remove the screws around the outside of the cluster, and lift out. The other end of this cable is a loop that is placed over a lever connected to the shift lever this end is non adjustable. Hope this helps, let me know.

Aug 04, 2010 | Ford F-150 Cars & Trucks

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