Will not shift out of first gear says low voltage solenoid

Tiny
JUICE MANE
  • MEMBER
  • 2002 SATURN L300
  • 0.6L
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 133,003 MILES
First in second shift solenoid low voltage in says transmission not working. When I pick it in gear it jerk in will not shift out of first gear.
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Tuesday, August 13th, 2019 AT 4:15 PM

3 Replies

Tiny
ASEMASTER6371
  • EXPERT
Good evening,

What is or are the codes you have? I need them to help you.

Roy
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Tuesday, August 13th, 2019 AT 4:56 PM
Tiny
JUICE MANE
  • MEMBER
P 1842.
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Wednesday, August 14th, 2019 AT 4:52 PM
Tiny
ASEMASTER6371
  • EXPERT
Here are the possibilities and a description. This looks like a wiring issue possibility inside the transmission but needs to be confirmed.

The solenoid is in the valve body. I attached a picture for you of the location.

Roy

The 1-2 shift solenoid valve controls fluid flow acting on the 1-2 shift valve. The solenoid is a normally open valve that along with the 2-3 shift solenoid, allows four different shifting combinations. The 1-2 shift solenoid is attached to the valve body inside the transaxle. The Transaxle Control Module (TCM) switches ignition voltage to power the solenoid and commands the solenoid ON and OFF by providing a ground path through circuit 1222.

When a TCM detects a continuous open or short to ground in the 1-2 SS Valve, DTC P1842 sets.

DTC PARAMETERS
DTC P1842 will set if there is a continuous open or short to ground in the 1-2 shift solenoid valve circuit when:
- Engine speed is greater than 500 rpm for 5 seconds.
- System voltage is between 8 and 18 volts.
- DTC P1831 or 1833 is not set.

P1842 is a type A DTC.

DIAGNOSTIC AIDS
Inspect the wiring at the TCM, the transaxle connector, the 1-2 SS shift solenoid 2-way connector, and all other circuit connecting points for the following conditions:
- A bent terminal
- A backed out terminal
- A damaged terminal
- Poor terminal tension
- A chafed wire
- A broken wire inside the insulation
- Moisture intrusion
- Corrosion

When diagnosing for an intermittent short or open condition, massage the wiring harness while watching the test equipment for a change.
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Wednesday, August 14th, 2019 AT 5:01 PM

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