Quote Originally Posted by Terminal_Crazy View Post
CCM RESPONSE:

CCM BROADCAST MESSAGE

- MESSAGE ID = $10

- MESSAGE LENGTH = $59

- STATUS WORD

BIT DESCRIPTION

0 ENGLISH/METRIC STATUS 0 = ENGLISH 1 = METRIC

1 ENGINE 0 = L98 1 = LT5

2 A/C CLUTCH STATUS 0 = OFF 1 = ON

3 SPARE

4 SPARE

5 SPARE

6 SPARE

7 SPARE



- COOLANT TEMPERATURE

DEG C = N*.75 - 40

- ENGINE RPM

RPM = N*25

- VEHICLE SPEED

MPH = N

- CHECKSUM





NOTE: THE BROADCAST MESSAGE IS USED TO SUPPLY INFORMATION TO

RECEIVE ONLY REMOTE SYSTEMS.
Mitch
Great info

[10 59 08 4F 02 00 3E ] is indeed ccm broadcast message and it`s data structure matches.


You can see data is same as recieved from PCM.
41
67

02 rpm
F2 ad map
00 tps
4F coolant
4E mat
01 options 1
00 options 2
46
1A
C3
88 inj flow rate
00 mph
42 oil temp
FF tcnt
FF tcnt
00 ad trans temp
A0
A0

9B checksum
________________________________
10
59

08 option byte
4F coolant
02 rpm
00 mph

3E checksum