C1947 Code
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Joined: Dec 2009
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From: Garden City, KS
C1947 Code
Alright, got an '03 Expedition... got about 60K on the clock and I keep getting a C1947 code. If I clear it, it comes right back up as soon as I turn the key. Here's the code definition:
"Seat Track Position Switch Circuit Short to Ground"
So, anybody wanna tell me what the definition means?
"Seat Track Position Switch Circuit Short to Ground"
So, anybody wanna tell me what the definition means?
Hotshot
Joined: Jan 2004
Posts: 19,760
Likes: 1,079
From: St Louis
Yeah, that's kind of important...
The named sensor is used by the SRS system to help determine airbag deployment force in dual-stage systems. Your vehicle is detecting that the sensor's output is shorted to ground.
The SRS has the capability of causing serious injury (or worse...) in the event of accidental deployment which might occur from casually poking around the system. I'd strongly recommend that you pass this repair off to someone who is trained to work on airbag systems beyond the following:
1) Disarm the system by disconnecting the negative battery cable and waiting at least one minute.
2) Identify the Restraints Control Module (RCM) that is either under the passenger seat (60/40 bench) or under the center console. Inspect all the pins on all the connectors as these have been known to work loose.
3) Identify the sensor. It will be on the track. Inspect for damaged wiring that might be shorting to ground.
4) Inspect the cable harness between the sensor and the RCM for any short-to-ground.
Beyond those basic steps, refer to the factory service manual as there are specific things that are needed to protect your safety.
The named sensor is used by the SRS system to help determine airbag deployment force in dual-stage systems. Your vehicle is detecting that the sensor's output is shorted to ground.
The SRS has the capability of causing serious injury (or worse...) in the event of accidental deployment which might occur from casually poking around the system. I'd strongly recommend that you pass this repair off to someone who is trained to work on airbag systems beyond the following:
1) Disarm the system by disconnecting the negative battery cable and waiting at least one minute.
2) Identify the Restraints Control Module (RCM) that is either under the passenger seat (60/40 bench) or under the center console. Inspect all the pins on all the connectors as these have been known to work loose.
3) Identify the sensor. It will be on the track. Inspect for damaged wiring that might be shorting to ground.
4) Inspect the cable harness between the sensor and the RCM for any short-to-ground.
Beyond those basic steps, refer to the factory service manual as there are specific things that are needed to protect your safety.
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Thread Starter
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Posting Guru
Joined: Dec 2009
Posts: 2,265
Likes: 2
From: Garden City, KS
Yeah, that's kind of important...
The named sensor is used by the SRS system to help determine airbag deployment force in dual-stage systems. Your vehicle is detecting that the sensor's output is shorted to ground.
The SRS has the capability of causing serious injury (or worse...) in the event of accidental deployment which might occur from casually poking around the system. I'd strongly recommend that you pass this repair off to someone who is trained to work on airbag systems beyond the following:
1) Disarm the system by disconnecting the negative battery cable and waiting at least one minute.
2) Identify the Restraints Control Module (RCM) that is either under the passenger seat (60/40 bench) or under the center console. Inspect all the pins on all the connectors as these have been known to work loose.
3) Identify the sensor. It will be on the track. Inspect for damaged wiring that might be shorting to ground.
4) Inspect the cable harness between the sensor and the RCM for any short-to-ground.
Beyond those basic steps, refer to the factory service manual as there are specific things that are needed to protect your safety.
The named sensor is used by the SRS system to help determine airbag deployment force in dual-stage systems. Your vehicle is detecting that the sensor's output is shorted to ground.
The SRS has the capability of causing serious injury (or worse...) in the event of accidental deployment which might occur from casually poking around the system. I'd strongly recommend that you pass this repair off to someone who is trained to work on airbag systems beyond the following:
1) Disarm the system by disconnecting the negative battery cable and waiting at least one minute.
2) Identify the Restraints Control Module (RCM) that is either under the passenger seat (60/40 bench) or under the center console. Inspect all the pins on all the connectors as these have been known to work loose.
3) Identify the sensor. It will be on the track. Inspect for damaged wiring that might be shorting to ground.
4) Inspect the cable harness between the sensor and the RCM for any short-to-ground.
Beyond those basic steps, refer to the factory service manual as there are specific things that are needed to protect your safety.
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Interesting thread. I had changed one of the three seat motors on my '03 as well as the foam cushion (all from the top side with the seat in place) I didn't disconnect the battery, but after the seat foam was out suddenly there was no power to the seat or the mirrors. I figured I had run afoul of something, just wasn't sure what it was. After I put it all back together everything came back to life. I must have been close to having a problem but got away with it.
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