Honda Civic (2001 - 2005) Coupe / Sedan / Hybrid (Includes Acura EL)

2002 civic code p1773 problem?

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Old Apr 22, 2013 | 02:34 PM
  #1  
dom_p88's Avatar
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Default 2002 civic code p1773 problem?

So i replaced the tranny due to it not goin in reverse or drive. now the D light is blinking code 1773 A/T Clutch Pressure Control Solenoid valve B Circuit. i replaced it and cleared codes and it still blinks the same code. i cleared it several times and still nothing car moves slowly with me pushing some gas.
i traced the wires from ecu to solenoid and nothing is broken.
Any suggestions
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Old Apr 22, 2013 | 04:17 PM
  #2  
lazlong's Avatar
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From: Funkytown, Tx
Default Re: 2002 civic code p1773 problem?

Well, the good news is that this code is electrical and cannot be caused by anything mechanical.

The first part of this a review since you already replaced the solenoid:

1. Disconnect the solenoid connector

2. measure resistance across the solenoid.

Is there 3-10 ohms resistance?

YES- step 3

NO- Replace the solenoid

3. Disconnect ECM/PCM connectors B and C. (Looking at the ECM/PCM in the dash, starting at the bottom is connector A, above that is connector B, then C, etc.)

4. Check continuity (ohms) from B16 (black/red) to body ground and from C8 (brown/white) to body ground.

Is there continuity?

YES- Whichever wire shows continuity needs repaired between that terminal and the solenoid (or just run a new wire).

NO- step 5

5. Re-connect the solenoid connector

6. Measure resistance (ohms) from those same terminals to body ground.

Is there 3-10 ohms resistance?

YES- step 7

NO- Repair the open between that terminal and the solenoid on whichever terminal shows no resistance (or run a new wire)

7. Disconnect ECM/PCM connector A (bottom connector)

8. Measure continuity (ohms) from A23 (brown/yellow) to body ground and A24 (brown/yellow) to body ground

Is there continuity?

YES- Check for loose terminals and repair as necessary. If the terminals are OK then you need to update or replace the ECM/PCM.

No- Repair the wire between A23 and ground or A24 and ground or repair the poor ground (G101).

G101 is the ground from the engine block to the radiator support. I would look at that ground first.
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Old Sep 25, 2024 | 03:11 PM
  #3  
cm634428@gmail.'s Avatar
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Default Re: 2002 civic code p1773 problem?

Originally Posted by lazlong
Well, the good news is that this code is electrical and cannot be caused by anything mechanical.

The first part of this a review since you already replaced the solenoid:

1. Disconnect the solenoid connector

2. measure resistance across the solenoid.

Is there 3-10 ohms resistance?

YES- step 3

NO- Replace the solenoid

3. Disconnect ECM/PCM connectors B and C. (Looking at the ECM/PCM in the dash, starting at the bottom is connector A, above that is connector B, then C, etc.)

4. Check continuity (ohms) from B16 (black/red) to body ground and from C8 (brown/white) to body ground.

Is there continuity?

YES- Whichever wire shows continuity needs repaired between that terminal and the solenoid (or just run a new wire).

NO- step 5

5. Re-connect the solenoid connector

6. Measure resistance (ohms) from those same terminals to body ground.

Is there 3-10 ohms resistance?

YES- step 7

NO- Repair the open between that terminal and the solenoid on whichever terminal shows no resistance (or run a new wire)

7. Disconnect ECM/PCM connector A (bottom connector)

8. Measure continuity (ohms) from A23 (brown/yellow) to body ground and A24 (brown/yellow) to body ground

Is there continuity?

YES- Check for loose terminals and repair as necessary. If the terminals are OK then you need to update or replace the ECM/PCM.

No- Repair the wire between A23 and ground or A24 and ground or repair the poor ground (G101).

G101 is the ground from the engine block to the radiator support. I would look at that ground first.

Should I have the battery undone
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