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lost reverse gear DTC P0751 P1870

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Old July 1st, 2024, 1:24 AM
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Default lost reverse gear DTC P0751 P1870

1997 chev truck c1500
2 wheel drive I noticed that. I no longer had reverse later on my check engine light turn on so I looked up codes and are as follows p0751 shift A solenoid and p1870 Trans component slipping looking for advice

Last edited by mountainmanjoe; July 1st, 2024 at 2:59 AM.
Old July 1st, 2024, 3:01 AM
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How many miles on it? You could try replacing solenoid A, but chances are the trans is just worn out.
Old July 1st, 2024, 7:43 AM
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1057256 miles it's been really well kept never ran hard it's Been in my family since like 20000miles
Old July 1st, 2024, 9:50 AM
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Also would putting new solenoid slove the reverse issue
Old July 1st, 2024, 12:05 PM
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It might. No guarantees.

The other causes are listed here:
https://www.obd-codes.com/p0751
but it might be best to let a trans shop diagnose the issue
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